ATOMS Review 1 Question Preview (ID: 55102)


Atomic Structure. TEACHERS: click here for quick copy question ID numbers.

Atomic mass is found by...
a) looking at the number of protons
b) adding the protons and electrons
c) adding the protons and neutrons
d) adding the neutrons and electrons

Atoms to the right of the stairsteps on the periodic table ...
a) are nonmetals
b) are metals
c) have few valence electrons
d) none of these are true

The one particle in an atom that defines the atom's symbol is ...
a) hadron
b) proton
c) neutron
d) electron

What is the atomic mass of an atom that has 14 electrons 14protons and 16 neutrons?
a) 28
b) 2
c) 14
d) 30

These particles can be found in the nucleus of an atom
a) only protons
b) only electrons
c) protons and electrons
d) protons and neutrons

The charge of an atom comes from having more or less ____ than ____
a) neutrons ; protons
b) protons ; neutrons
c) protons ; electrons
d) electrons ; protons

An isotope has an unequal amount of protons and
a) protons
b) neutrons
c) electrons
d) all of these

In Carbon-14, the 14 represents...
a) the mass of the atom
b) the atomic number
c) the charge of the atom
d) none of these

mass of an atom is measured in what units
a) grams
b) ounces
c) atomic mass units
d) atomic grams

an atom that has more electrons than protons will have...
a) a heavier mass
b) a positive charge
c) a negative charge
d) a lighter mass

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