Atoms, bonding, and the periodic table quiz

An atom's valence electrons are those electrons that have the (a)   energy.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Atoms tend to stable and nonreactive if they have _ valence electrons

(a)  

In the periodic table, the number of valence electrons in each element _______ from left to right across each period.

• increases

• decreases

• stays the same

• none of these

The reactivity of a metal depends on how easily is (a)   its valence electrons.

Tags

NGSS.HS-PS1-2

Within each (a)   in the periodic table, elements have similar properties because they have the same number of valence electrons.

The number of _______ _________ in the atom of an element determines its chemical properties.

(a)  

The columns in the periodic table are called (a)   .

An _______ ___ _______ shows the number of valence electrons in an atom in pictoral fashion.

(a)  

The attractive force that holds two atoms together is called a _______ ____.

(a)  

Tags

NGSS.HS-PS1-3

Because it can either lose or share electrons when it combines with other elements, each (a)   has some of the properties of metals and some of the properties of nonmetals.