Elements and Compounds Introduction

What is the atomic number for the NEUTRAL atom pictured?

• 2

• 6

• 7

• 8

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NGSS.MS-PS1-1

The vertical (up and down) columns in the Periodic Table are called

• groups or families

• towers

• periods

• atomic numbers

All the elements that are blue and to the left of the stair step ladder are called...

• metals

• nonmetals

• metalloids

• noble gases

All the elements that are yellow and to the right of the stair step ladder are called...

• metals

• nonmetals

• metalloids

• noble gases

Which of the following elements is in period 2?

• K

• H

• O

• Ca

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NGSS.MS-PS1-1

Substances that are made up of only one type of atom

• Compounds

• Mixtures

• Elements

• Molecules

A substance made of 2 or more elements that are chemically combined in a set ratio

• Mixture

• Solution

• Compound

• Atom

Above is a an ammonia molecule. What is the chemical formula for the molecule shown?

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NGSS.MS-PS1-1

Nickel has the chemical symbol Ni and atomic number 28. It is a silvery-white metal and cannot be broken down physically or chemically into a more simple substance. Nickel is a ___________________ .

• element

• compound

A pure substance containing only one kind of atom.

• element

• mixture

• compound

Tags

NGSS.MS-PS1-1