Quiz about Atoms and Periodic Table

Question 1

Which group of lists best summarizes the subatomic particles and their electrical charge?

Accepted Answer

proton-positive,

neutron,no charge,

electron-negative

Answer

proton-negative,

neutron-positive,

electron-no charge

Answer

proton-positive,

neutron-negative,

electron-no charge

Answer

proton-no charge,

neutron-positive,

electron-negative

Question 2

Which statement best describes the relationship between masses of subatomic particles?

Accepted Answer

proton is greater than electron

Answer

proton equals electron

Answer

proton is greater than neutron

Answer

neutron is less than electron

Question 3

Which letter represents the protons?

Accepted Answer

Q

Answer

R

Answer

S

Answer

T

Question 4

Which letter represents the neutrons?

Accepted Answer

R

Answer

Q

Answer

S

Answer

T

Question 5

Which letter represents the nucleus?

Accepted Answer

T

Answer

Q

Answer

R

Answer

S

Question 6

What is the name of the element represented in the model?

Accepted Answer

Boron

Answer

Beryllium

Answer

Oxygen

Answer

Fluorine

Question 7

An atom of an element contains 20 protons. What is the identity of the element?

Accepted Answer

Calcium

Answer

Argon

Answer

Neon

Answer

Potassium

Question 8

Which of the following elements contains the greatest amount of protons?

Accepted Answer

Chlorine

Answer

Hydrogen

Answer

Oxygen

Answer

Sulfur

Question 9

Which of the following below lists the correct number of protons, neutrons, and electrons for an atom of phosphorus?

Accepted Answer

protons 15,

neutrons 16,

electrons 15

Answer

protons 15,

neutrons 15,

electrons 15

Answer

protons 15,

neutrons 16,

electrons 16

Answer

protons 16,

neutrons 15,

electrons 15

Question 10

What atom is represented by 35 protons, 45 neutrons, and 35 electrons?

Accepted Answer

Bromine

Answer

Mercury

Answer

Rhodium

Answer

Ytterbium

Question 11

The atomic number equals the amount of

Accepted Answer

Protons

Answer

Neutrons

Answer

Valence Electroms

Question 12

What is a valence electron?

Accepted Answer

an electron in the outside shell of an atom

Answer

an electron in the innermost energy level of an atom

Answer

an electron that moves into the atom's nucleus

Answer

an electron that moves to a higher energy level

Question 13

8.5B What part of an atom determines the atoms reactivity?

Accepted Answer

valence electrons

Answer

nucleus

Answer

proton

Answer

neutron

Question 14

8.5C Which group on the periodic table is least reactive?

Accepted Answer

Group 18 (8A)

Answer

Group 1

Answer

Group 14 (4A)

Answer

Group 17 (7A)

Question 15

Which element is found in group 16 period 3?

Accepted Answer

Sulfur (S)

Answer

Selenium (Se)

Answer

Chlorine (Cl)

Answer

Carbon (C)

Question 16

Atoms with similar properties are most likely located...

Accepted Answer

in the same group.

Answer

in the same period.

Answer

in different periods.

Answer

to the right and left of each other.

Question 17

If an atom had the same properties as fluorine (F), it would probably be located in

Accepted Answer

group 17.

Answer

period 1.

Answer

period 2.

Answer

group 2.

Question 18

Which elements have the most similar chemical properties?

Accepted Answer

K and Na

Answer

K and Ca

Answer

K and Cl

Answer

K and S

Question 19

What charge does the nucleus have and why?

Accepted Answer

positive - the neutrons do not have a charge

Answer

positive - the neutrons and protons are positively charged particles

Answer

neutral - the neutral charge dominates the positive charge

Answer

neutral - electrons cancel out the positive charge of the atom

Question 20

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

Accepted Answer

6

Answer

11

Answer

5

Answer

16

Question 21

What is the element name of the atom pictured?

Accepted Answer

Sodium

Answer

Magnesium

Answer

Titanium

Answer

Vanadium

Question 22

Sodium has an atomic number of 11, how many protons does this atom have?

Accepted Answer

11

Answer

22

Answer

12

Answer

2

Question 23

Which of the following statements most directly relates to Chlorine's reactivity?

Accepted Answer

Chlorine atoms have 7 valence electrons

Answer

Chlorine atoms have 17 protons in their nucleus

Answer

The average mass of a chlorine atom is 35

Answer

Chlorine atoms have 3 energy levels

Question 24

Which of the following determines the identity of an element?

Accepted Answer

Atomic Number

Answer

Atomic Mass

Answer

Valence Electrons

Answer

Number of Neutrons

Question 25

Group 18 on the periodic table is called the Noble Gases. Neon is a gaseous element that belongs to this group, and it is chemically unreactive and very stable. Which of the following relates to its chemical reactivity?

Accepted Answer

They have 8 valence electrons

Answer

They have 10 protons

Answer

They have 10 neutrons

Answer

They have 2 electron energy levels

Question 26

Valence Electrons determine an element's _____________.

Accepted Answer

Reactivity

Answer

Location

Answer

Identity

Answer

Color

Question 27

How many neutron are in the atom "K"?

Accepted Answer

20

Answer

7

Answer

2

Answer

39

Question 28

Which subatomic particles contribute the most to the mass of an atom?

Accepted Answer

Protons and Neutrons

Answer

Protons, Neutrons, Electrons

Answer

Protons only

Answer

Protons and Electrons

Question 29

8.5A Which of the following best describes an electron?

Accepted Answer

It has a negative charge & much less mass than a proton.

Answer

It has no charge & about the same mass as a proton.

Answer

It has a positive charge & much more mass thtan a neutron.

Answer

It has a negative charge & about the same mass as a neutron.

Question 30

Which atomic diagram has chemical properties most similar to Sodium?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 31

The part of the atom that determines the identity of the atom

Accepted Answer

proton

Answer

nucleus

Answer

electron

Answer

neutron

Question 32

How many electrons would an atom of Krypton have?

Accepted Answer

36

Answer

83.80

Answer

12

Answer

none

Question 33

Where is most of the mass in an atom located?

Accepted Answer

in the nucleus

Answer

in the protons

Answer

in the neutrons

Answer

in the electrons

Question 34

(8.5B) An atom of which element is represented by this model?

Accepted Answer

Boron (B)

Answer

Carbon (C)

Answer

Neon (Ne)

Answer

Sodium (Na)

Question 35

The particles with no charge in an atom are the _______.

Accepted Answer

neutrons

Answer

electrons

Answer

protons

Answer

protons and neutrons

Question 36

Which two groups on the Periodic Table are the MOST reactive?

Accepted Answer

Group 1 and Group 7A (17)

Answer

Group 2 and Group 6A (16)

Answer

Group 13 and Group 5A (15)

Answer

Group 17 and Group 8A (18)

Atoms and Periodic Table

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