Atoms and the Periodic Table!

Question 1

Helium is similar to the other elements in its group/family because

Accepted Answer

it is a completely stable gas

Question 2

Elements with similar chemical and physical properties are in a _________.

Accepted Answer

group

Question 3

The elements in group 8A are unique because

Accepted Answer

they are inert (inactive)

Question 4

How many valence electrons do the elements in group 2A have?

Accepted Answer

2

Question 5

Elements that are gaseous or brittle solids and are poor conductors are called ____

Accepted Answer

nonmetals

Question 6

What is the atomic symbol for the element shown?

Accepted Answer

O

Question 7

Elements that have properties of both metals and nonmetals are called _________

Accepted Answer

metalloids

Question 8

The vertical columns on the periodic table are called

Accepted Answer

groups

Question 9

How many total groups are in the periodic table?

Accepted Answer

18

Question 10

How many neutrons does an oxygen atom have?

Accepted Answer

8

Question 11

As you progress from the top of the periodic table to the bottom, atom size _____.

Accepted Answer

increases

Question 12

How many protons does an atom of zinc have?

Accepted Answer

30

Question 13

The transition elements are all

Accepted Answer

metals

Question 14

How many valence electrons do the elements in group 7A have?

Accepted Answer

7

Question 15

The negative particle outside of the nucleus of an atom

Accepted Answer

electron

Question 16

How many electrons does an atom of zinc have?

Accepted Answer

30

Question 17

What is the atomic number of the element shown?

Accepted Answer

8

Question 18

What is the atomic symbol for the element shown?

Accepted Answer

Zn

Question 19

How many electrons does an oxygen atom have?

Accepted Answer

8

Question 20

What is the mass number of the element shown?

Accepted Answer

16

Question 21

The neutral particle in the nucleus of an atom

Accepted Answer

neutron

Question 22

The horizontal rows on the periodic table are called

Accepted Answer

periods

Question 23

Elements that are filling the same energy level are in a ________.

Accepted Answer

period

Question 24

Hydrogen is different from the other elements in its group because

Accepted Answer

it is a gas

Question 25

The positive particle in the nucleus of an atom

Accepted Answer

proton

Question 26

What is the mass number of the element shown?

Accepted Answer

65

Question 27

How many protons does an oxygen atom have?

Accepted Answer

8

Question 28

Elements that are shiny and are good conductors of both heat and electricity are called ____

Accepted Answer

metals

Question 29

How many neutrons does an atom of zinc have?

Accepted Answer

35

Question 30

The periodic table is arranged by order of

Accepted Answer

atomic number

Question 31

Molecules made up of two atoms of the same element are called ________.

Accepted Answer

diatomic molecules

Question 32

Helium is different from the other elements in its group because

Accepted Answer

it has only 2 valence electrons

Question 33

How many total periods are in the periodic table?

Accepted Answer

7

Question 34

What is the atomic number of the element shown?

Accepted Answer

30

Question 35

Hydrogen is similar to the other elements in its group/family because

Accepted Answer

it has 1 valence electron

Atoms and the Periodic Table!

Questions 35

Atoms and the Periodic Table!

Questions 35