Chemical Bonding Question Preview (ID: 11249)
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When a potassium atom reacts with a bromine atom the potassium atom will
a) lose one electron
b) gain one electron
c) gain two electrons
d) lose two electrons
If an ion has 16 protons and 18 electrons it will be _____________.
a) 2+
b) 2-
c) 24
d) none of these
If an ion has 20 protons and 15 electrons it will be ___________.
a) 5+
b) 5-
c) 35
d) none of these
Electrons found in the outer shell (or energy level) of an atom are called _____________ electrons.
a) ionized
b) periodic
c) valence
d) relativisitc
The first shell of any atom can hold maximum of ___________electrons.
a) one
b) two
c) four
d) eight
Which of these elements do not have atoms whose out shells are full of electrons?
a) neon
b) argon
c) radium
d) krypton
If a chlorine atom were to gain one more electron it would be similar to, but not exactly the same as -
a) argon
b) sulfur
c) fluorine
d) bromine
An element in group IIA would form a __________ ion while an element in group VIIA would form a(n) __________ ion.
a) negative, positive
b) positive, negative
c) positive, uncharged
d) negative, uncharged
Which of these elements has atoms that would have the most difficulty forming a covalent bond with oxygen (O)?
a) O
b) S
c) N
d) Ne
Atoms gain the same electron configuration as noble gases by
a) losing protons
b) losing electrons
c) gaining electrons
d) losing or gaining electrons
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