Quiz
Science Reviewer
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Questions in this quiz (18)
1Choose which rule the following suggests: Gold and Iron both are metals but differ in properties such as color and luster.
- AAll matter are made up of atoms
- BElements may have the same atomic mass but has properties that differ because of isotopes.
- CAtoms from different elements different from each other
2Atoms CAN be destroyed in chemical reactions.
- ATrue
- BFalse
3Cells: [blank_start]Atoms[blank_end] ; Tissue: Matter
- AAtoms
4Each element has a unique average mass; however, what is shown on the Periodic Table is the atomic mass not the average
- ATrue
- BFalse
5Cathode Rays have identical properties regardless of the element used
- ATrue
- BFalse
6(Rutherford's Gold Foil Experiment)The partcles shot by the emitter were alpha or positive particles
- ATrue
- BFalse
7Conclusions of Rutherford's Gold Foil Experiment
- AAtoms were mostly empty space
- BThe nucleus was a positively charged, dense, and small part of the atom
- CThe nucleus was binded by the nuclear binding force
8[blank_start]Protons[blank_end], which have a positive charge, and Neutrons, which have a [blank_start]neutral[blank_end] charge, contribute majorly to the mass of the atom while electrons does [blank_start]virtually [blank_end]nothing to the mass.
- AProtons
- Bneutral
- Cvirtually
9The nucleus with the nuclear binding force, holds the nucleus together
- ATrue
- BFalse
10Number of [blank_start]protons[blank_end] + Number of [blank_start]neutrons[blank_end] = Mass Number
- Aprotons
- Bneutrons
11Number of [blank_start]protons[blank_end] equal to the atomic number which is [blank_start]unique[blank_end] to each element
- Aprotons
- Bunique
12A = ? Z = ? X = ?
- AA= mass number Z = Atomic Number X = element symbol
- BA= Atomic number Z = Mass Number X = element symbol
- CA= mass number Z = Atomic Mass X = element symbol
13Mass number = Atomic Weight found in the Periodic Table of Eements
- ATrue
- BFalse
14Isotopes ; Ions
- AAtoms of same element with different amount of neutrons ; atoms that have positive or negative charge
- BAtoms of same element with different amount of electrons ; atoms that have neutral charge
- CAtoms with different amount of neutrons ; atoms that have positive or negative charge
15An atom with the number of electrons not equal to the number of protons is an ion
- ATrue
- BFalse
16To calculate for the [blank_start]average atomic mass[blank_end], you need to multiply each of the atomic masses of each [blank_start]isotope[blank_end] with its respective [blank_start]fractional[blank_end] abundance which you will need to [blank_start]add[blank_end]. The sum is the average atomic mass of the element.
- Aaverage atomic mass
- Bisotope
- Cfractional
- Dadd
17To calculate for the fractional abundance, you will need to multiply the %abundance by 100
- ATrue
- BFalse
18Formula for Neutron
- AAtomic number-Mass Number
- BMass number-number of protons
- CN=Z-A
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- Science Reviewer
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- Kouta Ono
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- English
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