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Atomic numbers
What is the symbol mean
100

What is the atomic number for Hyrdogen

1

     H

hyrdrogen

1.008


1

100

What does NE mean?

A. Neon

B. Gold

A. Neon

200

What is the atomic number for Helium.

A. 2

B.4

C.3

A.2

200

What does Fe mean?

A. Fein

B. Iron

C. Sodium

B. Iron

300

What is the Atomic number for Sodium?

A.6

B.12

C.11

D.7

C.11

300

What does Kr mean?

A. Cobalt

B. Krypton

C. Copper

D. Silicon

B. Krypton

400

What is the atomic number of Thorium?

A.110

B.80

C.68

D.90

D.90

400

What does Ag mean?

A. Sliver

B. Gold

C. Uramium

D. Yurium

A. Silver