Isotopes REVIEW

This isotope has:

​ (a)   protons

8 electrons

​ (b)   neutrons

mass number of ​ (c)  

• 8
• 11
• 19
• 20
• 10
• 18
• 9

An isotope is an atom of the ​ (a)   element but with a different number of ​ (b)   . This difference causes the ​ (c)   of the atom to change.

• same
• neutrons
• mass
• different
• protons
• electrons
• charge
• atomic number

Tags

NGSS.HS-PS1-8

Organize these options into the right categories

Groups:

(a) Hyphen Notation

,

(b) Isotope Notation

• carbon-14

• 
• phosphorus-30

• 
• 
• lithium-7

Tags

NGSS.HS-PS1-8

Match the following

• neutrons

• an isotope has the same number of protons but a different number of...

• mass

• if you change the number of protons you get a different...

• element

• the mass of the atom is found here

• protons & neutrons

• if you change the number of neutrons you get a different...

• nucleus

• these are in the nucleus

Tags

NGSS.HS-PS1-8

Label the picture

a

b

c

charge

mass number

7

15

atomic number

Tags

NGSS.HS-PS1-7

Label the isotope symbol for Calcium-41.

d

b

f

19

39

40

22

41

20

21

Label the mass number:

Tags

NGSS.HS-PS1-8

Label the atomic number:

Tags

NGSS.HS-PS1-1

Label the number of protons:

Tags

NGSS.MS-PS1-1

Label the number that is protons and neutrons added together:

Tags

NGSS.HS-PS1-8

NGSS.HS-PS1-7