Periodic Table Basics

What does the number in the top left corner represent?

• protons

• neutrons

Tags

NGSS.MS-PS1-1

What does the number under the symbol represent?

• atomic number

• atomic mass

• electron structure

What number tells us how many electrons would be in a neutral atom?

• mass number

• atomic number

What are the electrons in the outermost energy level called?

• valence electrons

• octet electrons

• energy levels

Tags

NGSS.MS-PS1-1

What element has this symbol?

• kopernium

• kadium

• potassium

• phosphorus

What element has this symbol?

• iron

• iradium

• sodium

• iridium

What element has this symbol?

• praseodymium

• probalt

• proentgenium

• prohrium

Tags

NGSS.MS-PS1-1

These shaded elements are

• metals

• nonmetals

• metalloids

These shaded elements are

• metals

• nonmetals

• metalloids

Tags

NGSS.MS-PS1-1

These shaded elements are

• metals

• nonmetals

• metalloids