Atoms and the Periodic Table Review

Question 1

Electrons are...

Accepted Answer

negative, found in the cloud and have a mass of <1 AMU.

Question 2

Which 2 elements are in the same family group?

Accepted Answer

Atom 1 and 4

Question 3

How many protons does oxygen have?

Accepted Answer

8

Question 4

Protons and electrons are ....

Accepted Answer

used to find the electrical charge of an atom.

Question 5

If an element has 8 valence electrons it will be VERY reactive.

Accepted Answer

False

Question 6

Elements in the same __________ react similar to each other.

Accepted Answer

Family Group

Question 7

When comparing the MASS of a proton and an electron...

Accepted Answer

proton > electron

Question 8

What types of particles are found in the cloud?

Accepted Answer

Negatively charged particles only

Question 9

If two elements have DIFFERENT chemical properties, then...

Accepted Answer

All of the above.

Question 10

Which elements are in the same Class Period?

Accepted Answer

Palladium, Silver, and Cadmium

Question 11

What determines how an element reacts with other elements?

Accepted Answer

Number of valence electrons

Question 12

Which two elements are in class period 3?

Accepted Answer

Atom 1 and 2

Question 13

Copper and Zinc would have the same number of ____________?

Accepted Answer

energy levels

Question 14

Which 2 elements have the same chemical properties?

Accepted Answer

Sodium (Na) and Potassium (K)

Question 15

When comparing the MASS of electrons and neutrons....

Accepted Answer

a neutron has a greater mass than an electron

Question 16

How many valence electrons does Flourine have?

Accepted Answer

7

Question 17

If an element has 8 valence electrons, it will NOT react.

Accepted Answer

True

Question 18

Which group has the most reactive non-metals?

Accepted Answer

17

Question 19

Class periods go ______________.

Accepted Answer

Across in horizontal rows.

Question 20

Protons are.....

Accepted Answer

positive, found in the nucleus, and have a mass of 1 AMU.

Question 21

Which group has non-metal gases, that are not reactive?

Accepted Answer

18

Question 22

The center of an atom is the nucleus---where all of the ....

Accepted Answer

mass of the atom is located.

Question 23

How is the MASS of a neutron and a proton related to each other?

Accepted Answer

neutrons = protons

Question 24

Elements in the same Family Group have the same chemical properties?

Accepted Answer

True

Question 25

Which elements would have the same number of energy levels?

Accepted Answer

Nickel and Zinc

Question 26

Elements in the same class period have ________________ of energy levels.

Accepted Answer

the same number

Question 27

Family Groups go ___________ on the periodic table.

Accepted Answer

up and down

Question 28

Which 2 elements have the same number of energy levels?

Accepted Answer

Platinum (Pt) and Osmium (Os)

Question 29

Which statement correctly lists the particles in this atom of Carbon?

Accepted Answer

6 protons, 6 neutrons, and 8 electrons

Question 30

Which group has reactive metals with 2 valence electrons?

Accepted Answer

2

Question 31

___________ is determined by the number of valence electrons an element has.

Accepted Answer

Reactivity

Question 32

Which elements are in the same family group?

Accepted Answer

Copper, Silver, and Gold

Question 33

Elements in the same family group have the same number of __________________.

Accepted Answer

valence electrons

Question 34

Which group has the most reactive metals?

Accepted Answer

1

Question 35

To find the mass of an element, you....

Accepted Answer

2 answers are correct.

Question 36

The electrons in the outermost energy levels of an atom are called ________.

Accepted Answer

valence electrons

Question 37

How many valence electrons does this element have?

Accepted Answer

3

Question 38

Which 2 elements have the same number of energy levels?

Accepted Answer

Osmium (Os) and Iridium (Ir)

Question 39

The smallest particle of an element made of protons, neutrons, and electrons.

Accepted Answer

Atom

Question 40

Which 2 atoms have the same reactivity?

Accepted Answer

Atom 1 and 4

Question 41

Which of the following statements are true about this diagram?

Accepted Answer

It is highly reactive because it has one valence electron.

Question 42

How many valence electrons does this atom have?

Accepted Answer

5

Question 43

The atomic number is ALWAYS equal to

Accepted Answer

the number of protons.

Question 44

Which statement tells me how you would identify this element as Boron?

Accepted Answer

It has 5 protons.

Atoms and the Periodic Table Review

Questions 44

Atoms and the Periodic Table Review

Questions 44