Atoms, Elements, Compounds, The Periodic Table

The smallest particle of any element that still has the properties of that element is called

• an atom

• a compound

• a solution

• a mixture

Tags

NGSS.MS-PS1-1

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both electrons and protons in an atom.

all matter is made of what 

• energy 

• atoms 

• electrons 

• compounds 

Tags

NGSS.MS-PS1-1

The majority of the elements in the periodic table are

• Non-Metals

• Metals

• Metalloids

What do we call the horizontal rows on the periodic table?

• Periods

• Groups

Answer explanation

The horizontal rows on the periodic table are called periods. Each period represents a different energy level of electrons in the atoms of the elements in that row.

Match the correct parts of the periods table

• Blue (left)

• Nonmetals

• Columns 1-18

• Metalloids

• Red (middle)

• Periods

• Rows 1-7

• Metals

• Yellow (Right)

• Groups

What do we call the horizontal rows on the periodic table?

• Periods

• Groups

Answer explanation

The horizontal rows on the periodic table are called periods. Each period represents a different energy level of electrons in the atoms of the elements in that row.

Label the parts of the periodic table​

a

b

c

Metalloids

Metals

Nonmetals

What do we call the vertical columns on the periodic table?

• Periods

• Groups

Answer explanation

The horizontal rows on the periodic table are called periods. Each period represents a different energy level of electrons in the atoms of the elements in that row.

A pure substance that is made from one type of atom is a(n) ______________ .

• Mixture

• Atom

• Element

• Compound

Tags

NGSS.MS-PS1-1