Inorganic Chemistry: Atomic Theory and Chemical Bonding

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What is the nature of matter according to the atomic theory?

Matter is composed of discrete units called atoms. (correct)

Matter is continuous and infinitely divisible.

Matter is made up of protons and neutrons.

Matter is a combination of elements and compounds.

Who was the first to propose the planetary model of the atom?

Bohr

Rutherford (correct)

Democritus

Dalton

When was the discovery of the neutron made?

1800

1932 (correct)

1910

1950

What determines the chemical and physical properties of matter?

Atomic structure Signup and view all the answers

What is the modern name for the Rutherford model of the atom?

Planetary model Signup and view all the answers

In the Rutherford's planetary model, what is at the center of the atom?

Neutrons and protons Signup and view all the answers

What is the definition of an isotope?

Atoms with the same number of protons but different number of neutrons Signup and view all the answers

What are the constituents of the nucleus of an atom?

Protons and neutrons Signup and view all the answers

What defines the nucleon number of an isotope?

The sum of protons and neutrons Signup and view all the answers

What is the significance of the atomic mass unit (amu)?

It defines the mass of an atom in relation to carbon-12 Signup and view all the answers

What is the approximate size relationship between the nucleus and the atom?

The nucleus is about 100,000 times smaller than the atom Signup and view all the answers

What is the relationship between isotopes and atomic mass?

Isotopes have different atomic masses Signup and view all the answers

What instrument is used to find out the relative atomic mass of an element?

Mass Spectrometer Signup and view all the answers

What defines an atomic unit mass (AMU)?

$1/12$ the mass of a carbon-12 atom Signup and view all the answers

How can isotopes be differentiated from each other?

By their mass number Signup and view all the answers

What are the constituents of a hydrogen-16 atom?

Protons and neutrons Signup and view all the answers

Inorganic Chemistry: Atomic Theory and Chemical Bonding

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