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Y Tabl Cyfnodol

Authored by Jack Griffiths

Chemistry

8th - 12th Grade

Used 6+ times

Y Tabl Cyfnodol
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13 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Pa elfen sydd gyda'r fformiwla K?

Carbon

Krypton

Potasiwm

Plwm

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Pa elfen sydd gyda'r fformiwla Na?

Lithiwm

Sodiwm

Nitrogen

Neon

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Pa elfen sydd gyda'r fformiwla F?

Ffosfforws

Haearn

Franciwm

Fflworin

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Pa elfen sydd gyda'r rhif atomig 20?

Magnesiwm

Potasiwm

Neon

Calsiwm

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Pa elfen sydd gyda'r rhif atomig 18?

Argon

Heliwm

Neon

Krypton

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Pa elfen sydd gyda rhif mas 23?

Sodiwm

Fanadiwm

Magnesiwm

Copr

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Pa elfen sydd gyda 5 proton?

Carbon

Heliwm

Boron

Nitrogen

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