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Chemistry
GCSE

A compound is found to contain 23.3% magnesium, 30.7% sulfur and 46.0% oxygen. What is the empirical formula of this compound?

Mass 23.3 30.7 46.0
Mr 24 32 16
Mass/Mr ...

Answered by Jack G. Chemistry tutor
4302 Views

Why does Iodine have a higher boiling point than chlorine?

Iodine has a larger number of protons and electrons than chlorine, which causes the inter-molecular forces of attraction between iodine molecules to be stronger than those present between chlorine molecul...

Answered by Jack G. Chemistry tutor
4710 Views

Potassium and Sulfur form an ionic compound, how does this happen?

Potassium has one electron in its outer shell, and Sulfur has two. When forming an ionic compound with one atom of sulfur, two potassium atoms are used. Each potassium atom donates its outermost electron ...

Answered by Joshua C. Chemistry tutor
26295 Views

Why does iodine have a higher boiling point than chlorine?

Iodine and chlorine are both in group 7 of the periodic table, iodine is further down than chlorine. When travelling down the periodic table the size of the atom increases due to the amount of electrons t...

Answered by Abigail C. Chemistry tutor
2090 Views

How do you describe the greenhouse effect?

The greenhouse effect is a process that warms the planets temperature to warmer than it would be without an atmosphere. It makes the planet a comfortable place to live. It works like a greenhouse or glas...

Answered by Katherine P. Chemistry tutor
2218 Views

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