Quiz On 5.1-5.2 Part 2 Question Preview (ID: 3494)
Chemistry.
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What is the symbol for potassium
a) Fe
b) Pb
c) Na
d) K
What is the symbol for iron
a) Fe
b) Rn
c) Na
d) O
Na is the chemical symbol for
a) potassium
b) sodium
c) water
d) helium
Pb is the symbol for
a) sodium
b) radon
c) lead
d) gold
Ca is the symbol for
a) calcium
b) cheese
c) cream
d) carbon
What is the symbol for oxygen
a) Ox
b) On
c) O
d) Of
The symbol for radon is Rn, true or false?
a) True
b)
c)
d) False
The quantum theory
a) describes electrons as moving in cloudlike regions called orbitals
b) is a measure of the decay rate of a radioactive substance
c) states tiny particles such as electrons do not absorb or release energy smoothly
d) describes electrons as waves circling the nucleus
The electron-cloud model
a) describes electrons as moving in cloudlike regions called orbitals
b) is a measure of the decay rate of a radioactive substance
c) states tiny particles such as electrons do not absorb or release energy smoothly
d) describes electrons as waves circling the nucleus
The wave-mechanical model
a) is a measure of the decay rate of a radioactive substance
b) describes electrons as moving in cloudlike regions called orbitals
c) describes electrons as waves circling the nucleus
d) states tiny particles such as electrons do not absorb or release energy smoothly
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