Top answers

Chemistry
GCSE

Why does an atom have no overall charge?

In an atom, protons have a +1 charge. Electrons that orbit the nucleus have a -1 charge, the number of electrons equals the number of protons so the charges cancel.

MR
Answered by Martin R. Chemistry tutor
2300 Views

What is the atomic number of an atom and How many electrons are there in an atom of Nitrogen when it has an atomic number of 7?

The atomic number is equal to the number of protons in an atom. The number of protons in an atom is equal to the number of electrons in an atom so the number of electrons in nitrogen is 7 electrons

TA
3686 Views

What is the end point in a titration?

During a titration, an acid is added drop by drop into an alkaline solution and the pH decreases. End point is the point at which the alkaline solution has become neutral, that is pH 7. You can use an ind...

AY
Answered by Ashley Y. Chemistry tutor
19695 Views

What is the Lowry and Bronsted definition of acids and bases?

Acids are defined as proton donors and bases are defined as proton acceptors.

AY
Answered by Ashley Y. Chemistry tutor
2646 Views

What is ionic bonding and covalent bonding?

Bonding in chemistry involves the transfer or sharing of electrons. In the case of ionic bonding, one or more electrons are transfered from one atom to another leading to charged fragments, one that is po...

KA
Answered by Kasra A. Chemistry tutor
3098 Views

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