For elements 1-20, we can use the periodic table to predict.

A) An elements color

B) The number of valence electrons an element has

C) The number of isotopes an element has.

Question

Chemistry

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1 February, 00:54

For elements 1-20, we can use the periodic table to predict.

A) An elements color

B) The number of valence electrons an element has

C) The number of isotopes an element has.

+2

Answers (2)

Know the Answer?

Isabella Stewart · Answer 1

B

Explanation:

because a periodic table shows the arrangement of element according to their atomic number and their valence neither

isotopes nor colour

Cinnamon · Answer 2

B.

Explanation:

We can predict the number of valence electrons by which group of the Periodic table an element resides.

For example Lithium is in group 1 and has 1 valency electron.

For elements 1-20, we can use the periodic table to predict.A) An elements colorB) The number of valence electrons an element hasC) The number of isotopes an element has.

For elements 1-20, we can use the periodic table to predict.

A) An elements color

B) The number of valence electrons an element has

C) The number of isotopes an element has.