Chemistry

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Created by: Ecto1998
Created on: 11-10-14 18:45

What is the relative mass of a proton?

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What is the relative mass of a electron?

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What is the relative mass of a neutron?

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Define the term 'isotope'?

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an el

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How did Mendeleev arrange the elements in the periodic table?

He arranged all the known elements in a line and saw a pattern in the elements, which the allowed him to put them into a graph.

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What determines the spot in which an element is placed on the Periodic Table?

Its proton number/atomic number

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What are the groups in the Periodic Table?

Metals, metaloids, non-metals, halogens and noble gases

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Define ionic bonding.

The definition of ionic bond is when a positively charged ion forms a bond with a negatively charged ions and one atom transfers electrons to another. An example of an ionic bond is the chemical compound Sodium Chloride.

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Define covalent bonding.

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. The stable balance of attractive and repulsive forces between atoms when they share electrons is known as covalent bonding.

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