What is the "HE" for Helium on the periodic table called. For example, 2 is its atomic number.?

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What is the "HE" for Helium on the periodic table called. For example, 2 is its atomic number.?

2007-03-17 11:34:30 · 4 answers · asked by □□□□□ 2 in Science & Mathematics ➔ Chemistry

4 answers

The symbol for helium is correctly written He. 1 capital letter for each element.

2007-03-17 13:18:52 · answer #1 · answered by science teacher 7 · 0⤊ 0⤋

It's the symbol for helium. Symbols are shorthand for chemical names in equations. The 2 is the atomic number for helium, meaning that its nucleus has 2 protons. You might see a "4" there; helium also has 2 neutrons in its nucleus, so its atomic weight is 4.

2007-03-17 11:56:08 · answer #2 · answered by cattbarf 7 · 0⤊ 0⤋

Atomic symbol

2007-03-17 11:43:32 · answer #3 · answered by spennynub 2 · 0⤊ 0⤋

its symbol

or atomic symbol

whichever

2007-03-17 11:42:30 · answer #4 · answered by stephani c 1 · 0⤊ 0⤋