Chemistry Mocks

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Who came up with an idea in 460-370 BC that atoms existed , couldn't split or destroy them?

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Who came up with an idea in 1800's that atoms are hard spheres with differing properties?

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Who discovered electrons in 1897 and came up with the Plum Pudding model?

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Who had a gold foil experiment in 1911 that made the plum pudding model wrong , and came up with an idea that most of an atom is an empty space?

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What did Bohr-Rutherford came up with in 1912?

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Electrons always the number of protons

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Protons have a charge of and a mass of

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Electrons have a charge of and a mass of

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Neutrons have a charge of and a mass of

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Atomic mass and mass number the same thing?

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Mass number // Atomic mass : It is the number of and in an atom . Put it in plural form and make the answer with a letter P starting on it first.

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Which one is the atomic mass and the atomic number?

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Get a periodic table and fill the missing answers.

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Isotopes are the different atoms of the same element containing the number of but different amount of .

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Isotopes , fill in how many protons and neutrons in each isotope . Ignore the electrons .

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created the periodic table in , he arranged it in order of atomic mass.

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Electron configuration. The first energy shell can hold a maximum of electrons , the second and so on can hold a maximum of electrons.

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The electric configuration for sodium is 2...

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An Ion is an charged particle

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Ionic bonding= of .

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One way of atoms of different elements forming chemical bonds to make a new compound is by IONIC BONDING

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The element that loses its electron will become and the element that gains the electron will become

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Which one is the Anion and the Cation?

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Read the image .

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Read the image.

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What's the name of the new compound ?

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In potassium sulfate , there's potassium , sulphur , and .

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Depending on the group number , you can find out the valency number.

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Especially made for year 9 students of BYA to prepare for the upcoming mock exam in 9 days.

Chemistry Mocks

Chemistry Mocks

Who came up with an idea in 460-370 BC that atoms existed , couldn't split or destroy them?

Who came up with an idea in 1800's that atoms are hard spheres with differing properties?

Who discovered electrons in 1897 and came up with the Plum Pudding model?

Who had a gold foil experiment in 1911 that made the plum pudding model wrong , and came up with an idea that most of an atom is an empty space?

What did Bohr-Rutherford came up with in 1912?

Electrons always the number of protons

Protons have a charge of and a mass of

Electrons have a charge of and a mass of

Neutrons have a charge of and a mass of

Atomic mass and mass number the same thing?

Mass number // Atomic mass : It is the number of and in an atom . *Put it in plural form and make the answer with a letter P starting on it first.*

Which one is the atomic mass and the atomic number?

Get a periodic table and fill the missing answers.

Isotopes are the different atoms of the same element containing the number of but different amount of .

Isotopes , fill in how many protons and neutrons in each isotope . Ignore the electrons .

created the periodic table in , he arranged it in order of atomic mass.

Electron configuration. The first energy shell can hold a maximum of electrons , the second and so on can hold a maximum of electrons.

The electric configuration for sodium is 2...

An Ion is an charged particle

Mass number // Atomic mass : It is the number of and in an atom . Put it in plural form and make the answer with a letter P starting on it first.