Question 1

Find Calcium (Ca) on the periodic table. How many protons does it have?

Accepted Answer

20

Answer

17

Answer

10

Answer

40

Question 2

All matter is made up of

Accepted Answer

atoms

Answer

cells

Answer

oxygen

Answer

compounds

Question 3

An atom's mass number is

Accepted Answer

the sum of its protons and neutrons.

Answer

the same as its atomic number.

Answer

the same as its number of electrons.

Answer

equal to number of electron orbitals/clouds/levels.

Question 4

Find fluorine on the periodic table. How many valence electrons does it have?

Accepted Answer

7

Answer

17

Answer

35

Answer

3

Question 5

Neon has an atomic number of 10 and an atomic mass of 20. How many protons does it have?

Accepted Answer

10

Answer

18

Answer

20

Answer

2

Question 6

Put these atomic parts in order from most massive (heaviest/largest) to least (lightest)

Accepted Answer

nucleus,  proton electron

Answer

electron, nucleus, proton

Answer

electron, proton, nucleus

Answer

proton, nucleus, electron

Question 7

Elements on the periodic table are arranged by increasing

Accepted Answer

atomic number

Answer

atomic mass

Answer

number of compounds

Answer

number of neutrons

Question 8

Elements that are dull, brittle, and do not conduct electricity well are known as

Accepted Answer

non-metals

Answer

halogens

Answer

metals

Answer

noble gases

Question 9

__ was the creator of the first periodic table.

Accepted Answer

Mendeleev

Answer

Bohr

Answer

Dalton

Answer

Rutherford

Question 10

If you know an atom's atomic number, this means a neutral atom would also tell you its

Accepted Answer

location on the periodic table AND its # of protons & electrons.

Answer

number of neutrons and electrons

Answer

location on periodic table and that it's a noble gas

Answer

number of neutrons and atomic mass

Question 11

All elements in the same group (vertical column) have these things in common

Accepted Answer

same chemical properties (how they react) and valence electron number.

Answer

same chemical properties and average mass number.
same number of valence electrons and atomic number.

Answer

same number of valence electrons and the same atomic number

Answer

same number of neutrons and average atomic mass

Question 12

How many valence electrons does oxygen have?

Accepted Answer

6

Answer

16

Answer

2

Answer

8

Question 13

If manganese has an atomic number of 25 and atomic mass of 55, how many neutrons does it have?

Accepted Answer

30

Answer

80

Answer

25

Answer

55

Question 14

Elements in the same __ react the same with other elements.

Accepted Answer

groups (vertical columns)

Answer

atomic number

Answer

atomic mass

Answer

periods (horizontal rows)

Question 15

To find how many shells would be in a Bohr diagram, you look at the __

Accepted Answer

periods (horizontal rows)

Answer

number of neutrons

Answer

atomic mass

Answer

groups (vertical columns)

Question 16

These three numbers are always the same

Accepted Answer

protons, electrons, atomic number

Answer

protons, atomic mass, electrons

Answer

protons, neutrons, atomic number

Answer

protons, electrons, neutrons

Question 17

Elements in the noble gases do not react because

Accepted Answer

They have a full valence (outer) shell (8 valence e-). Helium is the only exception: it is full with only 2.

Answer

they are all gases.

Answer

they have an odd number of electrons.

Answer

they have too many unpaired electrons in their outer shell.

Question 18

Most of the periodic table elements are

Accepted Answer

metals

Answer

rare earth elements

Answer

noble gases

Answer

non-metals

Question 19

There will not be new elements discovered to fit between two existing elements because......

Accepted Answer

you can't have part of a proton, and that's the only way you could have something between what is known

Answer

everything is already discovered

Answer

Mendeleev already knew every element (all 118) when he made the chart

Question 20

Which diagram is the properly drawn Bohr model for Lithium?

Accepted Answer

A

Answer

D

Answer

B

Answer

C

Question 21

The first 3 energy levels (electron shells) hold ____ electrons

Accepted Answer

2,8,18

Answer

2, 18,32

Answer

2,12, 18

Answer

2, 10, 18

Question 22

The stair step section of the periodic table shows

Accepted Answer

a separation between metals and nonmetals.

Answer

rare earth elements.

Answer

valence electrons

Answer

noble gases

Question 23

Which Lewis dot model is correct for carbon?

Accepted Answer

D

Answer

B

Answer

C

Answer

A

Question 24

The number of neutrons  found in zinc is

Accepted Answer

35

Answer

12

Answer

30

Answer

36

Question 25

The number of electrons in helium is

Accepted Answer

2

Answer

3

Answer

8

Answer

4

Question 26

The number of neutrons found in boron are

Accepted Answer

6

Answer

5

Answer

3

Answer

11

Question 27

The total number of electrons in the FIRST energy level of an atom

Accepted Answer

2

Answer

8

Answer

18

Answer

32

Question 28

The number of electrons that can be held in the SECOND energy level of an atom

Accepted Answer

8

Answer

32

Answer

2

Answer

18

Question 29

The total number of electrons in the shells if you have a full first and second shell (energy level) of electrons

Accepted Answer

10

Answer

2

Answer

8

Answer

32

Question 30

If you have a total of 12 electrons, how many total energy levels (electron shells) will you have?

Accepted Answer

3

Answer

1

Answer

4

Answer

2

Question 31

How many neutrons are found in nitrogen?

Accepted Answer

7

Answer

5

Answer

15

Answer

14

Question 32

How many neutrons are found in bromine?

Accepted Answer

45

Answer

35

Answer

17

Answer

7

Question 33

How many valence electrons are found in calcium?

Accepted Answer

2

Answer

1

Answer

4

Answer

3

Question 34

How many valence electrons are found in fluorine?

Accepted Answer

7

Answer

9

Answer

10

Answer

19

Question 35

How many protons are found in argon?

Accepted Answer

18

Answer

20

Answer

22

Answer

8

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