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

54%

6%

36%

2%

291

Malaysia

50%

10%

20%

20%

10

France

46%

0%

38%

15%

13

Poland

43%

9%

34%

13%

2104

the Netherlands

43%

18%

31%

6%

16

Australia

40%

11%

34%

13%

44

Greece

35%

7%

35%

21%

14

the United States

34%

7%

47%

11%

161

Germany

33%

17%

45%

3%

57

Canada

30%

15%

50%

5%

20

Singapore

30%

10%

60%

0%

10

the Philippines

27%

13%

41%

13%

29

the United Kingdom

26%

9%

42%

21%

114

Nigeria

26%

13%

57%

2%

80

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