Test Question Preview (ID: 25901)


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What is an element that has luster, conducts heat and electricity, and usually bends without breaking?
a) metal
b) nonmetal
c) metalloid
d) halogen

What is a metric unit of mass?
a) liter
b) psi
c) particle
d) gram

How many moles are in 116.88 grams of sodium chloride?
a) 1
b) 2
c) 3
d) 4

What is the molar mass of sodium chloride?
a) 58.44 g/mol
b) 22.99 g/mol
c) 35.453 g/mol
d) 78.45 g/mol

What is the name for the compound KCl?
a) krypton chlorine
b) krypton chloride
c) potassium chlorine
d) potassium chloride

What element has the atomic number 11?
a) sodium
b) calcium
c) lithium
d) potassium

What element has an atomic number 20?
a) sodium
b) phosphorus
c) lithium
d) calcium

What is the atomic mass of an atom that has 11 protons, 11 electrons, 13 neutrons?
a) 11
b) 13
c) 24
d) 35

What is the charge of an electron?
a) positive
b) negative
c) neutral
d) the same as the proton

What is the charge of the proton?
a) positive
b) negative
c) neutral
d) The same as the electron.

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