SCI 155 Chap 8a Question Preview (ID: 9095)


This Game Reviews Topics From Chapter 8 Of Your Text.[print questions]

The atomic number always tells you the number of
a) protons
b) neutrons
c) electrons
d) protons + neutrons

The mass number always tells you the number of
a) protons
b) neutrons
c) electrons
d) protons + neutrons

Isotopes have the same number of *, but different numbers of *.
a) neutrons, protons
b) protons, neutrons
c) protons, electrons
d) electrons, protons

In 113Cd2+, the mass number is
a) +2
b) 48
c) 113
d) 65

In 113Cd2+, the atomic number is
a) +2
b) 48
c) 113
d) 65

How many neutrons are in 106Pd+1?
a) 106
b) 60
c) 46
d) 45

How many electrons are in 75As3-?
a) 75
b) 33
c) 30
d) 36

How many protons are in 24Mg+2?
a) 24
b) 26
c) 12
d) 10

When atoms gain electrons they are called * and are * charged.
a) cations, negatively
b) cations, positively
c) anions, negatively
d) anions, positively

Metals * electrons and nonmetals * electrons.
a) lose, lose
b) gain, lose
c) gain, gain
d) lose, gain

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