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

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Chemistry

3 May, 03:16

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.

+5

Answers (2)

Know the Answer?

Francis Wilkerson · 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

Karlee Stout · 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.