Unit 6 Summative- Part 1

Front

What is the charge of an atom with 7 valence electrons?

Back

-1

Front

What happens to an atom when it loses electrons?

Back

It becomes positive.

Front

What do elements in the same column of the periodic table have in common?

Back

They have the same number of valence electrons.

Front

Do Lithium and Beryllium have the same number of valence electrons?

Back

FALSE

Front

Which element has a -3 charge?

Back

Nitrogen.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.

Front

What is the charge of an atom with 5 valence electrons when it gains 3 electrons?

Back

-2

Front

What is the relationship between protons and electrons in a neutral atom?

Back

They are equal in number.

Front

What is the charge of an atom with 4 valence electrons when it loses 2 electrons?

Back

+2

Front

What is the significance of the periodic table's columns?

Back

Elements in the same column have similar chemical properties.