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WorksheetsBonding Test
Total questions: 47
Worksheet time: 42mins
Which element is a halogen?
Chlorine
Argon
Helium
Neon
What is a chemical bond?
A force that repels atoms
A force that holds atoms or ions together in a compound
A type of chemical reaction
A method of breaking down compounds
What term describes the attractive force in a compound?
Ionic force
Chemical bond
Magnetic force
Gravitational force
What is the nature of a chemical bond?
Repulsive
Attractive
Neutral
Magnetic
How do atoms become more stable?
By losing all electrons
By filling their valence shell
By gaining protons
By changing their shape
Which element is an exception to the octet rule?
Oxygen
Helium
Carbon
Nitrogen
What is the main goal of atoms forming bonds?
To become heavier
To become more stable
To become radioactive
To become lighter
What is the molecular weight of NaCl approximately? (Na ~23, Cl ~35)
58.44 g/mol
44.01 g/mol
18.02 g/mol
100.08 g/mol
In the formula H₂O, what does the 'O' stand for?
Oxygen
Hydrogen
Helium
Ozone
In the chemical formula Ca(NO₃)₂, how many oxygen (O) atoms are present?
3
4
5
6
What type of bond is formed when atoms share electrons?
Ionic bond
Covalent bond
Metallic bond
Hydrogen bond
What is the term for the outermost electrons involved in bonding?
Core electrons
Valence electrons
Inner electrons
Free electrons
Which of the following best describes a double covalent bond?
Sharing of one pair of electrons
Sharing of two pairs of electrons
Sharing of three pairs of electrons
Sharing of four pairs of electrons
What is the charge of an electron?
Variable
Neutral
Negative
Positive
Which of the following is a noble gas?
Oxygen
Hydrogen
Nitrogen
Neon
What is the chemical symbol for gold?
Au
Ag
Pb
Fe
What is the chemical symbol for sodium?
S
Si
Sn
Na
What is the term for a positively charged ion?
Proton
Neutron
Anion
Cation
What is the chemical formula for table salt?
NaCl
KCl
MgCl₂
CaCl₂
Which type of bond involves the transfer of electrons?
Covalent bond
Ionic bond
Metallic bond
Hydrogen bond
What is the chemical symbol for iron?
Fe
I
Ir
In
Ionic bonding is between a
nonmetal and nonmetal
metal and nonmetal
metal and metal
Depends on the situation
Covalent bonding is between a
nonmetal and nonmetal
metal and nonmetal
metal and metal
It depends on the situation
What do positive ions tend to do?
lose electrons
gain electrons
lose protons
gain protons
What happens when magnesium loses 2 electrons?
It stabilizes to a net charge of 0
It turns into an atom
It becomes negatively charged
It becomes positively charged
2. Which type of bond has a transfer of an electron from on atom to another?
Polar Covalent
Non Polar Covalent
ionic
metallic
Which part of the atomic theory did Niels Bohr prove?
there are electrons
there is a nucleus
electrons are in energy levels
gold foil experiment
What experiment did JJ Thomson use?
gold foil experiment
cathode ray tube experiment
Anything that has mass and takes up space.
Matter
Insulator
Mixture
Volume
The amount of matter in an object.
Mass
Matter
Physical Properties
Solubility
What makes electromagnetic waves different from mechanical waves?
no material medium required
medium needed
light -catalyzed
space exclusive
what happens to the frequency of a wave as wavelength increases?
increases
decreases
remains constant
diminishes to zero
When working with acids, DO NOT:
keep the bottles of concentrated acids in the prep room.
dilute and neutralize acids before pouring them down the sink.
add water to the acid stock solution.
keep any solutions in the fume hood and wear safety goggles
What is the frequency of a photon whose energy is 3.4x10-19J? (h= 6.626x 10^-34 Js)
8.8x1026 Hz
5.1x1014 Hz
1.9x10-15 Hz
2.3x10-52 Hz
1s2 2s2 2p6 3s2
Which two elements would NOT form an ionic bond?
calcium and lithium
calcium and oxygen
lithium and oxygen
calcium and carbon
What is the approximate molecular weight of H₂O? (H ~1, O ~16)
24 g/mol
22 g/mol
20 g/mol
18 g/mol
The first step in the Scientific Method is ___________?
State your HYPOTHESIS
RESEARCH
MAKING AN OBSERVATION
ANALYZING DATA
CHARTS AND GRAPHS ARE ALL PART OF ___________.
PROCEDURES
ANALYZING DATA
MATERIALS
QUESTION
Horseplay or practical jokes in the laboratory are
always against the rules
OK
Acceptable if you are working alone
Not a big problem as long as there are no injuries
Whose responsibility is it to help clean up the lab and classroom?
1st period, the next morning
custodians.
each and every student.
only the teacher.
What is the purpose of dimensional analysis in chemistry?
Dimensional analysis is used to determine the chemical composition of a substance.
Dimensional analysis is used to balance chemical equations.
Dimensional analysis is used to measure the temperature of a substance.
The purpose of dimensional analysis in chemistry is to convert between units and ensure accurate calculations.
Describe the physical properties of a solid.
Solids have definite shape and volume, closely packed particles, fixed positions, not easily compressible, high density.
Solids have indefinite shape and volume
Solids have loosely packed particles
Solids are easily compressible
What happens to the particles of matter during a phase change?
Particles increase in size during a phase change.
Particles rearrange themselves into a different structure without changing their chemical composition.
Particles change color during a phase change.
Particles disappear completely during a phase change.
