question edit history translations

What symbol is the mass number denoted?

A

S

M

LM

The mass number (symbol A, from the German word Atomgewicht (atomic weight), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. It determines the atomic mass of atoms.

synapsaa

4

Tim Simpson wikipedia → Mass number

chemistrysciencesymbols

Symbols quiz Science quiz Chemistry quiz

You will play as

Answers by country

Ghana

80%

0%

13%

6%

15

Pakistan

74%

2%

17%

5%

35

India

55%

6%

35%

2%

287

Malaysia

50%

10%

20%

20%

10

France

46%

0%

38%

15%

13

Poland

42%

9%

34%

13%

2064

Australia

41%

9%

34%

13%

43

the Netherlands

40%

20%

33%

6%

15

Greece

35%

7%

35%

21%

14

Germany

32%

19%

44%

3%

52

the United States

30%

8%

48%

12%

149

Canada

30%

15%

50%

5%

20

Singapore

30%

10%

60%

0%

10

Nigeria

26%

13%

57%

2%

80

the United Kingdom

25%

9%

42%

20%

112

the Philippines

25%

14%

42%

14%

28

Republic of Ireland

7%

7%

53%

30%

13

What is the name of this butterfly species?

Neopalpa donaldtrumpi

Unsightly butterfly

Huskhead neopalda

Where is The Encyclopaedia Britannica produced?

Who was the first to create a zoo and botanical garden for scientific study?

The sanguine person...

has an optimistic attitude

has a pessimistic attitude

has a realistic attitude

is a melancholic or a romantic