WorksheetsChemistry Semester 1 Final Review — Multiple Choice
Total questions: 25
Worksheet time: 13mins
Which type of bond forms between a metal and a nonmetal?
Covalent
Ionic
Metallic
Hydrogen
What is the correct name for MgCl2?
Magnesium dichloride
Magnesium chloride
Magnesium (I) chloride
Magnesium chlorate
Which particle has no electrical charge?
Proton
Neutron
Electron
Ion
Which element can form multiple covalent bonds?
Helium
Hydrogen
Carbon
Neon
How many electrons does a neutral chlorine atom have?
7
8
17
18
Which compound contains a polyatomic ion?
NaCl
NaCN
MgO
PbS
Which periodic trend generally decreases from left to right across a period?
Ionization energy
Atomic radius
Electronegativity
Nuclear charge
Which group of elements reacts violently with water?
Alkali metals
Halogens
Noble gases
Transition metals
What charge does a calcium ion have in CaO?
−2
0
+1
+2
Which statement best describes isotopes?
Same mass, different elements
Different protons only
Same element, different numbers of neutrons
Different electrons only
Which substance conducts electricity when dissolved in water?
Sugar
Oil
Ionic compounds
Covalent gases
Which scientist organized the periodic table by atomic mass?
Dalton
Mendeleev
Bohr
Rutherford
Which element readily gains two electrons?
Hydrogen
Neon
Oxygen
Sodium
What is the correct formula for aluminum oxide?
AlO
Al2O2
Al2O3
AlO2
Which type of light has the highest energy?
Red
Orange
Violet
Yellow
Over 99% of an atom’s mass comes from:
Protons and electrons
Neutrons only
Protons and neutrons
Electrons only
How many electrons can a single orbital hold?
1
2
6
10
What does the zigzag line on the periodic table separate?
Solids and gases
Liquids and solids
Metals and nonmetals
Halogens and noble gases
Which is an example of a chemical change?
Milk souring
Boiling water
Crushing a can
Freezing juice
Which element has the highest electronegativity?
Oxygen
Chlorine
Fluorine
Nitrogen
What is the noble gas configuration shortcut for bromine?
[Ne]
[Ar]
[Ar] 4s2 3d10 4p5
[Kr]
Which ion has MORE electrons than protons?
Na+
Ca2+
Cl−
Mg2+
Which orbital is filled last in Mg2+?
p
d
f
s
Which quantity measures the amount of matter in an object?
Volume
Mass
Density
Weight
Which element has the greatest number of neutrons?
Hydrogen
Helium
Lithium
Francium
