Which of the following is the BEST description of the term group/family?

A vertical column of the periodic table

Which of the following is the BEST description of the term ion?

Atom or group of atoms having a + or - charge.

Which of the following is the BEST description of the term frequency?

# of waves that pass a given point in a specific time, usually a second, v.

Which of the following is the BEST description of the term Alkali-earth metal?

A Group 2 element on the Periodic Table.

Which of the following is the BEST description of the term density?

A ratio of mass to volume or mass divided by volume: d= m/V

Which of the following is the BEST description of the term atomic number?

The # of protons in the nucleus of each atom of an element.

Which of the following is the BEST description of the term Noble gas?

A Group 18 element on the periodic table.

Which of the following is the BEST description of the term period?

A horizontal row of elements in the periodic table

Which of the following is the BEST description of the term electron configuration?

The arrangement of electrons in an atom.

Which of the following is the BEST description of the term metalloid?

An element that has some characteristics of metals and nonmetals, An element that is on the staircase

Which of the following is the BEST description of the term law of conservation of mass?

Mass is neither created nor destroyed during a chemical.

Which of the following is the BEST description of the term valence electron?

An electron available to be lost, gained, or shared in bonding.

Which of the following is the BEST description of the term polar?

Having an uneven distribution of charge

Which of the following is the BEST description of the term transition element?

An element in the d-block that is a metal on the Periodic Table.

Matter would best be described as _____?

Anything that has mass and takes up space.

Which of the following is the BEST description of the term nonmetal?

An element that is a poor conductor of heat and electricity

Which of the following is the BEST description of the term isotope?

An atom of the same element having a different mass due to #s of neutrons.

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College Prep- Chem (Midterm)

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Questions 20

Answers

1
Which of the following is the BEST description of the term group/family?
The elements to the left of the staircase
A vertical column of the periodic table
A horizontal row of elements in the periodic table
The elements to the right of the staircase
2
Which of the following is the BEST description of the term ion?
An electron available to be lost, gained, or shared in bonding.
Measure of the ability of a bonded atom to attract electrons.
Atom or group of atoms having a + or - charge.
Energy required to remove 1 electron from a neutral atom
3
How many significant figures are there in the measurement 6.03?
More information is needed
3
2
1
4
Which of the following is the BEST description of the term frequency?
The time it takes a wave to pass a point.
Form of energy that exhibits wavelike behavior as it travels through space.
# of waves that pass a given point in a specific time, usually a second, v.
Mass of 1 mol of a pure substance
5
Which of the following is the BEST description of the term Alkali-earth metal?
A Group 2 element on the Periodic Table.
A Group 17 element on the Periodic Table.
A Group 1 element on the Periodic Table.
A Group 18 element on the Periodic Table.
6
Which of the following is the BEST description of the term density?
Le Systeme International; the measurement system accepted worldwide.
An explanation of how phenomena occur and how data or events are related.
A ratio of mass to volume or mass divided by volume: d= m/V
The amount of space occupied by an object.
7
Which of the following is the BEST description of the term atomic number?
Total # of protons & neutrons in the nucleus of an isotope.
6.022 x1023; the # of particles in exactly 1 mol of a pure substance.
The # of protons in the nucleus of each atom of an element.
An atom of the same element having a different mass due to #s of neutrons.
8
Which of the following is the BEST description of the term Noble gas?
A Group 17 element on the Periodic Table.
A Group 18 element on the periodic table.
A Group 2 element on the Periodic Table.
A Group 1 element on the Periodic Table.
9
Which of the following is the BEST description of the term period?
A characteristic that can be observed without changing a substances I.D.
A horizontal row of elements in the periodic table
A vertical column of the periodic table
A substance that has a fixed composition and differs from a mixture
10
Which of the following is a rule about significant figures?
Leading zeros always count.
Nonzero integers never count.
Leading zeros never count.
Captive zeros never count.
11
Which of the following is the BEST description of the term electron configuration?
Distance between corresponding points on adjacent waves; 𝛌.
The arrangement of electrons in an atom.
An electron occupies the lowest-energy orbital that can receive it.
3-dimensional region around the nucleus giving location of an electron.
12
Which of the following is the BEST description of the term metalloid?
An element that has some characteristics of metals and nonmetals
An element that is a good conductor of heat and electricity
An element that is on the staircase
An element that is a poor conductor of heat and electricity
13
Which of the following is the BEST description of the term law of conservation of mass?
Mass is neither created nor destroyed during a chemical.
A chemical compound contains the same elements in the same proportions
When using a scale, one must zero before calibrating for mass.
A unit of mass that is exactly 1/12 the mass of a carbon-12 atom.
14
Which of the following is the BEST description of the term valence electron?
Energy required to remove 1 electron from a neutral atom.
Measure of the ability of a bonded atom to attract electrons.
Atom or group of atoms having a + or - charge.
An electron available to be lost, gained, or shared in bonding.
15
Which of the following is the BEST description of the term polar?
Transfer of electrons from 1 to another atom in forming cations & anions.
Sharing of electrons between two atoms.
Electrons are shared equally between atoms giving a balance of charge.
Having an uneven distribution of charge
16
Which of the following is the BEST description of the term transition element?
An element in the d-block that is a metal on the Periodic Table.
An element in the s-block (Groups 1-2) or p-block (Groups 13-18)
An element in the f-block on the Periodic Table.
Any element on the Periodic Table.
17
Matter would best be described as _____?
A change in a substance that does creates a new substance.
A pure substance made of only one kind of atom.
Anything that has mass and takes up space.
A measure of the amount of matter
18
Which of the following is the BEST description of the term cation?
An element to the right of the staircase.
A positive ion
Energy change when an electron is gained by an atom.
A negative ion
19
Which of the following is the BEST description of the term nonmetal?
An element that has characteristics of metals and nonmetals
An element that is a poor conductor of heat and electricity
An element that is a good conductor of heat and electricity
The elements to the left of the staircase
20
Which of the following is the BEST description of the term isotope?
6.022 x1023; the # of particles in exactly 1 mol of a pure substance.
The # of protons in the nucleus of each atom of an element.
Total # of protons & neutrons in the nucleus of an isotope.
An atom of the same element having a different mass due to #s of neutrons.

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