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Preguntas del test (63)
1amount of matter in an object
- Avolume
- Bmatter
- Cmass
- Dlelement
2Anything that has mass and takes up space
- Avolume
- Bmass
- Cmatter
- Delements
3substance that cannot be broken down by ordinary means into a simpler substance
- Aelements
- Batoms
- Cions
- Dprotons
4man made elements are called
- Aionic bonds
- Bcovalent bonds
- Catoms
- Dsynthetic elements
5Elements in the body that are present only in small amounts
- Atrace elements
- Batoms
- Ctrace atoms
6Shorthand method using 1-3 letters to represent the name of an element
- Achemical equation
- Bchemical formula
- Cchemical symbol
7these make up elements
- Aparticles
- Batoms
- Csubatomic bonds
8smallest part of an element that still retains the properties of the element
- Aparticles
- Belements
- Catom
9particles that compose an atom
- Aparticles
- Belements
- Cions
- Dsubatomic particles
10Center of the atom
- Anucleus
- Bproton
- Celectron
- Dneutron
11units used to measure the mass of subatomic particles
- Achemical formula
- Batomic number
- Catomic mass units
- Dionic mass units
1223Na is the???
11- Achemical formula
- Bisotopic formula
- Cchemical symbol
- Disotopic symbol
13specific area where an electron can be found
- Aenergy levels
- Belectron cloud
- Cenergy cloud
- Datomica area
14large region outside the nucleus where the location of an electron can be predicted
- Aenergy level
- Belectron cloud
- Cnucleus
- Datomic cloud
15An energy level can hold more than its capacity
- AVerdadero
- BFalso
16electrons located in the outer energy level of an atom
- Aions
- Bsubatomic particles
- Cvalence electrons
- Delectron cloud
17Part of the atom that takes up the most space
- Avalence electrons
- Bsubatomic cloud
- Celectron cloud
- Dmucleus
18makes up most of the atom's mass
- Aproton
- Bneutron
- Cnucleus
- Denergy cloud
19the nucleus contact which of the following?
- Anucleus
- Bprotons
- Cneutrons
- Datoms
20center of an atom
- Anucleus
- Bproton
- Cneutron
- Delectron
21charge on the nucleus is negative
- AVerdadero
- BFalso
22charge of the electron is negative
- AVerdadero
- BFalso
23overall charge on the atom is
- Anegative
- Bneutral
- Cpositive
24the number of protons in one atom of a given element
- Aatomic mass
- Batomic number
- Catomic symbol
25in a neutral atom, the atomic number indicates the number of
- Aprotons
- Belectrons
- Cneutrons
26what makes up the atomic mass
- Aprotons
- Bneutrons
- Celectrons
27how to determine the number of neutrons in an atom
- Aadd the protons and electrons
- Badd the neutrons and electrons
- Csubtract the protons from the atomic mass
- Dsubtract the atomic mass from the protons
28the number of these determine the identity of an element
- Aneutrons
- Bprotones
- Celectrons
29the number of electrons in an atom determines the atom's chemical activity
- AVerdadero
- BFalso
30different forms of the same element
- Aions
- Bisotopes
- Catoms
31isotopes have the
- Asame number of protons and electrons
- Bsame number of neutrons and electrons
- Csame number of protons and different number of neutrons
- Dsame number of neutrons and different number of protons
32isotopes - check the following that apply
- Ahave the same atomic numbers
- Bdifferent atomic numbers
- Cdifferent atomic masses
- Dsame atomic masses
33atoms of the same element may only differ in their number of
- Aelectrons
- Bneutrons
- Cprotons
34Substances made up of 2 or more elements chemically combined
- Amolecules
- Batoms
- Cmixture
- Dcompound
35smallest part of a compound that still retains the properties of the compound
- Aatom
- Belement
- Cmolecule
36compounds are formed through
- Achemical reactions
- Bchemical bonding
- Cchemical equations
37the combining of atoms of elements to form new substances
- Achemical bonding
- Bionic bonding
- Ccovalent bonding
38this is formed between atoms having opposite charges
- Aionic bond
- Bcovalent bond
- Cchemical bond
39a charged atom
- Aion
- Bmolecule
- Celectron
40covalent bonds are form when metals and non metals combine
- AVerdadero
- BFalso
41ionic bonds are formed when
- Ametals and non metals combine
- Bnon metals and nonmetals combine
- Cmetals and metals combine
42what represents compounds
- Achemical bonds
- Bchemical formulas
- Cchemical equations
43process in which the original properties of substances change as new substances with new properties are formed
- Achemical properties
- Bchemical reaction
- Cionic bonding
44the amount of energy needed to start a reaction
- Achemical energy
- Bactivation energy
- Cionic energy
45substances that speed up a chemical reaction
- Aactivations
- Bcatalysts
- Cactivation energy
46mixture that appears the same throughout
- Ahomogeneous
- Bheterogeneous
47mixture that does not appear to be the same throughout
- Aheterogeneous
- Bhomogeneous
48reaction between an acid and a base
- Aactivation
- Bneutralization
- Cbugger
49chemicals that neutralize small amounts of either an acid or base added to a solution
- Ahonogeneous
- Bbuffers
- Cneutralizations
50in a water molecule, the hydrogen atoms are attached to the oxygen atom by
- Aionic bond
- Bcovalent bond
- Cpolar bond
51what type of molecule is water
- Aionic
- Bpolar
52polar water molecules attract
- Amolecules
- Bions
- Cpolar molecules
- Dhydrogen bonds
53water like most compounds expands when it freezes
- AVerdadero
- BFalso
54water molecules are attracted to other water molecules. This is called:
- Apolar attraction
- Bcohesion
- Csurface tension
55water molecules are attracted to other types of molecules
- Acohesion
- Badhesion
- Cpolar bonding
56cohesion of water molecules at the surface of a body of water
- Aadhesion
- Bdiffusion
- Csurface tension
57random movement of microscopic particles
- Aionic theory
- Bneutralization
- Cbrownian motion
58net movement of particles from an area of higher concentration to an area of lower concentration
- Aneutralization
- Bdiffusion
- Ccohesion
59water must gain or lose a large amount of energy for its temperature to change.
- Atemperature neutralization
- Bbuffer
- Ctemperature moderation
60this results from the random motion of particles
- Aeffusion
- Bdiffusion
- Ccohesion
61result of diffusion where there is a continuous movement of particles but no overall change in concentration
- Abrownian motion
- Bdynamic equalibrium
- Cneutralization
62ability of water to creep up thin tubes
- Aseep action
- Bcapillary action
- Cdiffusion
63chemical reactions that occur within an organism
- Aionic bonding
- Bmetabolism
- Cneutralization
Información
- Descripción
- honors biology Test sobre Sin título, creado por maddierose1021 el 13/02/2015.
- Autor
- maddierose1021
- Idioma
- English
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