Chemicals and chemical changes

Vitamin C is made of _____ Atoms

• 24

• 42

• 1

• 20

Tags

NGSS.MS-PS1-1

What is the smallest particles of a substance that characterize that substance?

• Molecule

• Atom

• Compound

• Soul

Tags

NGSS.MS-PS1-1

What is this?

• Fire

• triangle

• Triangle with a line

• Water

What is the Symbol of neon?

(a)  

What is the Previous name of the tungsten?

• Stronian

• Argentum

• Uranus

• Wolfram

What are the Examples of diatomic?

• Hydrogen

• Phosphorus

• ozone

• Sulphur

In which year did Jöns Jacob Berzelius use the English alphabet to represent the elements?

• 1947

• 1963

• 1813

• 1564

A material that is composed of only one type of particle is called _______

• Molecules

• Monatomic

• Helium

• Pure substance

What is the valency of carbon?

• 1

• 6

• 4

• 7

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