Intro to Periodic Table

Click on the elements located at the following locations:

- Group 17, Period 3

• - Group 2, Period 3

There are ​ (a)   periods and ​ (b)   groups on the periodic table.

• 7
• 18
• 118
• 9

In a stable atom of Lithium there are ​ (a)   protons,​ ​ (b)   electrons, and ​ (c)   neutrons.

• 3
• 4
• 6
• 7

Tags

NGSS.MS-PS1-1

Which two things do you need to solve for the number of neutrons?

• Atomic Mass

• Element Name

• Atomic Number

• Chemical Symbol

Tags

NGSS.MS-PS1-1

Label the following periodic table square.

a

d

c

b

Atomic Mass

Symbol

Element

Atomic Number

Which box is highlighting Period 5?

Which element is at Group 3, Period 4?

(Click to enlarge periodic table <--)

• Scandium

• Calcium

• Potassium

• Rubidium

Tags

NGSS.MS-PS1-1

Click on the elements at the following locations:

• -Group 6, Period 5

• -Group 14, Period 2

Tags

NGSS.MS-PS1-1

Which element can be found at Group 2, Period 2?

• Lithium

• Beryllium

• Sodium

• Boron

Tags

NGSS.MS-PS1-1

In a neutral atom the number of electrons will be the same as the ________________.

• Atomic Mass

• Number of Neutrons

• Group Number

• Atomic Number