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WMS Atom Test

Last updated about 1 month ago

26 questions

Required

4

S8P1e

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4

S8P1e

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4

S8P1e

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4

S8P1e

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4

S8P1e

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4

S8P1e

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4

S8P1e

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4

S8P1e

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4

S8P1e

Required

4

S8P1e

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4

S8P1e

Required

4

S8P1e

Required

4

S8P1e

Required

4

S8P1e

Required

4

S8P1e

Required

4

S8P1e

Required

4

S8P1e

Required

4

Required

4

Required

2

Required

2

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4

S8P1e

Required

4

S8P1e

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4

S8P1a

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4

S8P1e

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4

S8P1e

Question 1

1.

A positively charged subatomic particle found in the nucleus of an atom is

a quark.

an electron.

a proton.

a neutron.

Question 2

2.

A negatively charged particle located outside the atom's nucleus is

a proton.

a neutron.

a quark.

an electron.

Question 3

3.

A subatomic particle that has no charge and that is found in the nucleus of an atom is

an electron.

a neutron.

a quark.

a proton.

Question 4

4.

A center of an atom is

a bohr.

a quark.

a neutron.

a nucleus.

Question 5

5.

An area around the center of the atom where electrons are located

is a quark.

is a nucleus.

is an electron cloud.

is a deep space.

Question 6

6.

Which part of an atom makes up most of its mass?

the electron cloud

the nucleus

the neutrons

the proton

Question 7

7.

The smallest particle of an element that still retains the element's properties is

an atom.

a quark.

a nucleus.

an electron.

Question 8

8.

How many electrons are in the element in the picture?

6

5

11

10.811

Question 9

9.

What is the atomic mass of the element in the picture?

8

15.999

oxygen

O

Question 10

10.

How many neutrons are in the element in the picture?

22.990

12

11

23

Question 11

11.

Given the atomic number 17, the mass number 36, how many neutrons does it have?

36

17

53

19

Question 12

12.

What is the atomic symbol of the element in the picture?

20

Ca

Calcium

40.078

Question 13

13.

How many protons are in the element in the picture?

6.941

3

7

4

Question 14

14.

An element's ________________ is the same as the number of protons in the nucleus of its atoms.

neutrons

atomic number

number of energy levels

atomic mass

Question 15

15.

Which determines the identity of an element?

the mass number

the number of its protons

the charge of the atom

the number of its neutrons

Question 16

16.

Using the image, what is the atomic number?

Nitrogen

14.007

7

N

Question 17

17.

Draw an atom model of the element in the picture. Label all subatomic particles, charges, and place them in the proper locations.

Question 18

18.

What part of an atom has a mass of 0?

protons

electrons

nucleus

neutrons

Question 19

19.

What part of an atom has the mass of 1 amu? (more than one answer)

nucleus

proton

Question 20

20.

A proton has a charge of a -1.

True

False

Question 21

21.

The number of electrons in an atom of an element is the element's atomic number.

True

False

Question 22

22.

Adding the number of protons and neutrons in an atom results in the

atomic number.

number of energy levels.

atomic mass.

neutrons.

Question 23

23.

The first energy level of an atom holds _ electrons. The second energy level of an atoms holds electrons. The third energy level holds electrons. The fourth energy level holds _ electrons.

2, 8, 16, 32

2, 8, 18, 32

2, 6, 18, 32

2, 8, 16, 24

Question 24

24.

Which symbol represents carbon?

K

N

C

Ca

Question 25

25.

The element beryllium (Be, atomic number 4 and atomic mass 9) is right above magnesium (Mg, atomic number 12 and atomic mass 24) in the periodic table. How many more electrons does magnesium have than beryllium?

7

15

5

8

Question 26

26.

Which is the correct symbol for the element sodium?

Al

Na

Cl

S

electron cloud

neutron

electron