Quiz
10.18.16 Test Guide
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Questions in this quiz (62)
1The basic unit of matter is called an [blank_start]atom[blank_end]
- Aatom
2What subatomic particles make up atoms?
- AIsotopes
- BProtons
- CParticles
- DNeutrons
- EMolecules
- FElectrons
3PROTONS determine an element's...
- AAtomic mass
- BAtomic number
- CNumber on the periodic table
- DAtomic weight
- ENucleus's Charge
4Isotopes are...
- AAtoms of a DIFFERENT element that have the SAME number of neutrons they contain
- BATOMS of a DIFFERENT element that have DIFFERENT number of neutrons
- CAtoms of the SAME element that DIFFER in the number of neutrons the contain
- DAtoms of the SAME element that have the SAME number of neutrons
5Where in an atom do PROTONS and NEUTRONS lie?
- AOrbit
- BNucleus
- COutside of the atom's orbit
- DClose to the circumference of the nuclues
6All atoms of the same element have the same number of...
- AElectrons
- BNeutrons
- CProtons
- DMolecules
7What subatomic particle determines what the element is?
- AProtons
- BNeutrons
- CElectrons
- DIsotopes
8ELECTRONS orbit around the nucleus of an atom.
- ATrue
- BFalse
9What is the weakest type of chemical bond?
- ACovalent
- BHydrogen
- CIonic
10What element forms chemical bonds?
- AOxygen
- BCarbon
- CHydrogen
- DHelium
11COVALENT BONDS are formed when...
- AElectrons in an atom are transferred to another atom
- BElectrons in an atom are shared
- CElectrons in an atom bond with the atom's neutrons
- DElectrons travel between the nuclei of both atoms
12IONIC BONDS are formed when...
- AElectrons are “stolen” from one atom and taken to the next
- BElectrons are shared between atoms
- CSome of the atom's electrons are transferred to another atom
- DAnother atom destroys its own protons to weaken its bond
13The number of NEUTRONS and ELECTRONS in an atom are usually always the same.
- ATrue
- BFalse
14How many types of substances make a CHEMICAL ELEMENT?
- A1
- B2
- C3
- D4
15Why are atoms NEUTRAL despite having charged particles?
- ASame amount of PROTONS and ELECTRONS balance out the charge in an atom
- BSame amount of PROTONS and NEUTRONS balance out the charge in an atom
- CDifferent amounts of PROTONS and ELECTRONS maintain stability in an atom
- DDifferent amounts of ELECTRONS and NEUTRONS balance out the charges in an atom
16How are isotopes identified?
- AAtomic number
- BAtomic mass
- CAtomic balance
- DAtomic neutrality
17Atomic [blank_start]mass[blank_end] is the [blank_start]weighted[blank_end] average of the masses of an element's [blank_start]isotopes[blank_end]
- Amass
- Bnumber
- Cweight
- Dmeasured
- Eweighted
- Fdivided
- Gelectrons
- Hneutrons
- Iprotons
- Jisotopes
18WEIGHTED in Biology/Chemistry/Physics means the [blank_start]abundance[blank_end] of each [blank_start]isotope[blank_end] in [blank_start]nature[blank_end] is considered when the average is calculated
- Aabundance
- Black
- Cisotope
- DElectron
- EProton
- FNeutron
- Gnature
- Hsimilarities
- Idifferences
19Why do all isotopes of an element have the same chemical properties?
- ABecause they have DIFFERENT numbers of PROTONS
- BBecause they have ALMOST EQUAL amounts of MOLECULES
- CBecause they have DIFFERENT numbers of NEUTRONS
- DBecause they SHARE the same number of ELECTRONS
20A chemical compound is formed when [blank_start]2+[blank_end] elements are combined chemically
- A0-1
- B1-2
- C2+
- D2-3
21The formula for table salt is [blank_start]NaCl[blank_end]
- ASmCl
- BSoCl
- CNaCl
- DSiCl
22Sodium is a [blank_start]metal[blank_end] and chloride is a [blank_start]gas[blank_end].
- Agas
- Bmetal
- Cgas
- Dmetal
23An ion is an atom that is...
- ANegatively charged
- BPositively charged
- CNeutrally charged
24An atom that loses electrons has a negative charge.
- ATrue
- BFalse
25A [blank_start]triple[blank_end] [blank_start]covalent[blank_end] bond is formed when [blank_start]six[blank_end] electrons are shared.
- Acovalent
- Bionic
- Csingle
- Dtriple
- Edouble
- Ftwo
- Gsix
- Hfour
26In a [blank_start]water[blank_end] molecule, each [blank_start]hydrogen[blank_end] atom forms a [blank_start]single[blank_end] covalent bond.
- Ahydrogen
- Bwater
- Chydrogen
- Dcarbon
- Esingle
- Fdouble
27The slight attractions that develop between oppositely charged region of nearby particles are called
[blank_start]Van der Waals forces[blank_end]- AVan der Waals forces
28Acidic solutions are [blank_start]compounds[blank_end] that form [blank_start]H+ ions[blank_end] in solution.
- Acompounds
- BH+ ions
29Water molecules are polar because of [blank_start]uneven[blank_end] distribution [blank_start]between[blank_end] their two poles (the [blank_start]negative[blank_end] attracts [blank_start]oxygen[blank_end] and the positive attracts [blank_start]hydrogen[blank_end] atoms).
- Auneven
- Bequal
- Cpositive
- Dnegative
- Eoxygen
- Fhydrogen
- Goxygen
- Hhydrogen
- Ibetween
- Joutside of
- Karound
30Substances that combine physically form [blank_start]mixtures[blank_end], while substances that combine chemically form [blank_start]compounds[blank_end].
- Amixtures
- Bcompounds
31Acidic solutions have lesser concentrations of H+ ions than pure water.
- ATrue
- BFalse
32Basic solutions produce...
- AOH- (hydroxide) ions
- BSmall amounts of H+ ions
- CO- ions
- DHO- ions
33[blank_start]Acidic[blank_end] solutions have pH levels below [blank_start]7[blank_end], and even from [blank_start]1[blank_end] to [blank_start]3[blank_end].
- AAcidic
- B7
- C1
- D3
34The polar, neutral WATER molecule has an equal amount of protons and electrons, [blank_start]10[blank_end] each.
- A10
35The attraction between the hydrogen atom on [blank_start]water[blank_end] molecule and the [blank_start]oxygen[blank_end] atom on another water molecule is an example.
- Awater
- Boxygen
36The two forms of attraction are [blank_start]co[blank_end]hesion and [blank_start]ad[blank_end]hesion.
- Aco
- Bad
37An evenly (molecule) mixed mixture is called a [blank_start]solution[blank_end].
- Asolution
38The greatest solvent in the world is [blank_start]water[blank_end].
- Awater
39Suspension is mixtures of...
- AWater and dissolved material
- BWater and undissolved material
- CWater and partly dissolved material
40The solute the substance that is dissolved in the solution.
- ATrue
- BFalse
41The pH scale indicates the concentration of [blank_start]H+ ions[blank_end] in a [blank_start]solution[blank_end].
- Asolution
- BH+ ions
42A solution with a pH of 4 has [blank_start]40[blank_end] [blank_start]H+[blank_end] [blank_start]ions[blank_end], while one with a pH of 5 has [blank_start]50[blank_end],
- A40
- B50
- CH+
- Dions
43Basic solutions have pH levels [blank_start]high[blank_end]er than [blank_start]7[blank_end], and especially from [blank_start]11[blank_end] to [blank_start]14[blank_end].
- A7
- B11
- C14
- Dhigh
44Buffers are [blank_start]weak[blank_end] [blank_start]acids/bases[blank_end] that can react with [blank_start]strong acids[blank_end] to prevent [blank_start]sharp[blank_end], [blank_start]sudden[blank_end] changes in pH.
- Aweak
- Bsharp
- Csudden
- Dstrong acids
- Eacids/bases
45Carbohydrates contain the following atoms...
- AOxygen
- BHelium
- CCarbon
- DHydrogen
46Single sugar molecules are also called [blank_start]Monosaccharides[blank_end]
- AMonosaccharides
47Some monosaccarides are...
- AGlucose
- BGalactose
- CFructose
- DGlycogen
48Some polysaccarides are...
- AGlucose
- BGlycogen
- CStarch
- DFructose
- ECellulose
49What are the main functions of carbohydrates?
- AAs an energy suppliant
- BTo store starch
- CFor strength and rigidity in an animal/plant
50What atoms are lipids made of?
- AHelium
- BHydrogen
- CCarbon
- DOxygen
51THe three categories of lipids are...
- ASaturated
- BUnsaturated
- CMonosaturated
- DPolyunsaturated
52When glycerol is combined with [blank_start]fatty acids[blank_end] a lipid is formed.
- Afatty acids
53SATURATED LIPIDS contain one carbon bond, UNSATURATED LIPIDS contain 1+ carbon bonds, while POLYUNSATURATED LIPIDS contain 2+ carbon bonds
- ATrue
- BFalse
54Nucleic acids contain what type of atoms
- AHydrogen
- BHelium
- CCarbon Dioxide
- DCarbon
- EOxygen
- FNitrogen
- GPhosporous
55[blank_start]Nucleotides[blank_end] are the monomers of nucleic acids.
- ANucleotides
56Nucleic acids are composed of a [blank_start]5-carbon[blank_end] sugar, a [blank_start]phosphate group[blank_end] [blank_start](-PO4)[blank_end], and a [blank_start]nitrogenous[blank_end] base.
- Aphosphate group
- B(-PO4)
- Cnitrogenous
- D5-carbon
57Nucleic acids keep genetic information and transport energy.
- ATrue
- BFalse
58RNA ([blank_start]Ribonucleic[blank_end] acid) is made out of [blank_start]ribose[blank_end] sugar and DNA ([blank_start]Deoxyribonucleic[blank_end] acid) is made out of [blank_start]deoxyribose[blank_end] sugar.
- Adeoxyribose
- BDeoxyribonucleic
- Cribose
- DRibonucleic
59Proteins are composed of the atoms...
- ANitrogen
- BHelium
- CCarbon
- DPhosphorous
- EHydrogen
- FOxygen
60The monomers of protein are...
- ACarbon bonds
- BAmino acids
- CProtein
- DProtein acids
61Proteins
1)Control the rate of reactions
2)Regulate cell processes
3)Form cell membranes
4)Transport substances in or out of cells
5)Work with the immune system- ATrue
- BFalse
62Valence electrons have [blank_start]stable[blank_end] or [blank_start]non-reactive[blank_end] [blank_start]shells[blank_end] and determine [blank_start]reactivity[blank_end] on the [blank_start]outer ring[blank_end] of the atom.
- Astable
- Bnon-reactive
- Cshells
- Dreactivity
- Eouter ring
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- Description
- 9th grade Biology (9) Quiz on 10.18.16 Test Guide, created by Afia Oduro-Manu on 22/09/2016.
- Author
- Afia Oduro-Manu
- Language
- English
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- History
- Created on 22 Sep 2016 · updated on 24 Oct 2016
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