Search our library of Chemistry questions

Top answers

Chemistry

All levels

What is the electron configuration of Oxygen? Give it in terms of shells and subshells.

[He] 2s2 2p4There are 4 potential shells of electrons for the elements in the periodic table, denoted by the first number, 1 to 4.Within each shell there is a matching number of subshells; in shell 1 ther...

Answered by David W. • Chemistry tutor

14807 Views

A sodium hydroxide solution is made by dissolving 3.5 g of sodium hydroxide with 500 cm^3 of water. What is the concentration of the solution in g dm^-1?

3.5 g of sodium500 cm³ of water is 0.5 dm³3.5 / 0.5 = 7 g dm^-3

Answered by Anna H. • Chemistry tutor

2384 Views

Give the full electron configuration for the sodium ion, Na+.

1s²2s²2p⁶

Answered by Anna H. • Chemistry tutor

6320 Views

Why can metals conduct electricty?

This is because of the special type of bonding that occurs in metals. A metal is a giant structure of regularly arranged atoms, the outermost electrons ( check they understand the differences between the ...

Answered by Alicia E. • Chemistry tutor

2280 Views

Name three types of chemical bonding in atoms.

First we have covalent where electrons are shared between two atoms.
then we have ionic where one one atom transfers their electron to another atom. These oppositely charge ions forms a strong electr...

Answered by Hanifah M. • Chemistry tutor

2194 Views