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Core Science > Vocabulary > Flashcards

Vocabulary Flashcards

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0
Q

Atomic Number

A

The number of proton in the nucleus of an atom. Aka Proton Number

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1
Q

Halogen

A

An element in group 7 of the periodic table

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2
Q

Atom

A

The smallest neutral part of an element that can take part in chemical reactions

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3
Q

Ion

A

An atom of a group of atoms with an electrical charge

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4
Q

Isotope

A

Atoms of an element with same number of protons and electrons but a different number of neutrons

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5
Q

Compound

A

A ‘thing’ that is composed of two or more separate elements

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6
Q

Mixture

A

Is made from different substances that aren’t chemically joined

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7
Q

Neutron

A

Electrically neutral sum atomic particle found in the nucleus of most atoms

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8
Q

Noble Gases

A

Elements in group 0/8 of the periodic table

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9
Q

Group

A

The vertical part of the periodic table

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10
Q

Period

A

The horizontal part of the periodic table

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11
Q

Electronic configuration

A

The arrangement of electrons in shells around the nucleus of an atom

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12
Q

Shells/orbitals

A

Space around a nucleus that can be occupied by electrons

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13
Q

Energy Level

A

Space around a nucleus that can be occupied by electrons

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14
Q

Relative Atomic Mass

A

The mean mass of an atom of carbon-12, which is assigned mass 12

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15
Q

Relative Abundance

A

The number of objects of a particular kind in a sample shown as a percentage of a total number of objects in the sample

16
Q

Alkali Metal

A

An element in group 1 of the periodic table

17
Q

Halide

A

A compound formed between a halogen and another element, such as metal or hydrogen

18
Q

Interpolation

A

Estimating the value of a new data point on a scatter graph between the values already known

19
Q

Inert

A

Does not react

20
Q

Density

A

Mass (divided by) Volume

21
Q

Electrolysis

A

The decomposition of a liquid using electricity

22
Q

Electrolyte

A

A liquid which conducts electricity

23
Q

Anode

A

The positive electrode

24
Q

Cathode

A

The negative electrode

25
Q

Anions

A

Negative ions

Attracted to the anode (the positive electrode)

26
Q

Cations

A

Positive ions

Attracted to the cathode ( the negative electrode)

Core Science (2 decks)

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