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Isotopes or Different Elements?

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

Element D has 6 protons and 7 neutrons.

Element F has 7 protons and 7 neutrons.

a)

Isotope

b)

Different Element

2.

Element J has 27 protons and 32 neutrons.

Element L has 27 protons and 33 neutrons.

a)

Isotopes

b)

Different Elements

3.

Element X has 17 protons and 18 neutrons.

Element Y has 18 protons and 17 neutrons.

a)

Isotopes

b)

Different Elements

4.

Element Q has 56 protons and 81 neutrons.

Element R has 56 protons and 82 neutrons.

a)

Isotopes

b)

Different Elements

5.

Element T has an atomic number of 20 and an atomic mass of 40.

Element Z has an atomic number of 20 and an atomic mass of 41.

a)

Isotopes

b)

Different Elements

6.

Element W has 8 protons and 8 neutrons.

Element V has 7 protons and 8 neutrons.

a)

Isotopes

b)

Different Elements

7.

Element P has an atomic number of 92 and an atomic mass of 238.

Element S has 92 protons and 143 neutrons.

a)

Isotopes

b)

Different Elements