WorksheetsAdvanced Chem Review - Blast from the all over the place
Total questions: 32
Worksheet time: 11mins
A majority of the elements are the periodic table are____
metalloids
nonmetals
metals
gases
Elements in the same group or family have the same number of______
neutrons
protons
valence electrons
energy levels
The periodic table is arranged in order of increasing ______
atomic mass
atomic numbers
electron number
isotope number
Which of the following indicates that a chemical change has occurred?
steam forms as water boils
a yellow solid forms when solutions are mixed
a substance dissolves in water
a substance is crushed
Which is true regarding the nucleus of an atom?
it is the central core and composed of protons and electrons
it is the central core and composed of protons and neutrons
it has a positive charge and is composed of neutrons and electrons
it has a positive charge and has a low density
The smallest particle if an element that retains the properties of an element is called _____
atom
proton
electron
neutron
Which type of bond results from the sharing of electrons?
metallic
ionic
covalent
James
Which of the following boxes has the highest density?
A
B
C
What is happening between letters A and B?
Solid
Liquid
Evaporation
Melting
The before and after images to the right show…
liquid vaporizing into a gas
solid melting into a liquid
liquid freezing into a solid
gas condensing into a liquid
Which of the following is NOT an example of chemical change?
sour milk
burning wood
breaking a pencil
pencil rust
beaker
flask
test tube
graduated cylinder
micropipette
beaker
flask
test tube
graduated cylinder
micropipette
How many sig figs are in this number?
0.00501
2
3
5
6
Which subatomic particle has a positive charge?
proton
neutron
electron
NaCl is a(n)...
element
compound
homogeneous mixture
heterogeneous mixture
Trail mix is a(n)...
element
compound
homogeneous mixture
heterogeneous mixture
The "3" in 3H2O is a...
coefficient that indicates how many molecules are present
coefficient that indicates how many atoms are in each molecule
subscript that indicates how many molecules are present
subscript that indicates how many atoms are in each molecule
The "2" in 3H2O is a...
coefficient that indicates how many molecules are present
coefficient that indicates how many atoms are in each molecule
subscript that indicates how many molecules are present
subscript that indicates how many atoms are in each molecule
In NaCl(aq), what is the solvent?
H2O
NaCl(aq)
NaCl
Which of these is NOT a physical property?
color
melting point
density
reactivity
Has definite shape and volume
solid
liquid
gas
plasma
If all electrons are in the lowest possible energy levels and orbitals, the atom is in the...
ground state
excited state
spectral state
catalyst state
1s2 2s2 2p6
O
C
Na +
Br -
[Ar] 4s1
K
Kr
Cl
Na
According to the octet rule, most atoms want 8...
valence electrons
orbitals
neutrons
energy levels
In which type of bond are electrons shared between two nonmetals, but not evenly?
polar covalent
nonpolar covalent
ionic
metallic
If a solute is aqueous, that means it is...
dissolved in water
a precipitate
insoluble in water
hydrophobic
2Na + Cl2 → 2NaCl
synthesis
decomposition
single-replacement
double-replacement
combustion
Mg + CuS → Cu + MgS
synthesis
decomposition
single-replacement
double-replacement
combustion
LiF + NaCl → LiCl + NaF
synthesis
decomposition
single-replacement
double-replacement
combustion
CH4 + 2O2 → 2H2O + CO2
synthesis
decomposition
single-replacement
double-replacement
combustion
