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Nat 5 Chemistry > Atoms > Flashcards

Atoms Flashcards

1
Q

How is an element set up in the periodic table?

A

Atomic number
Element symbol
Element name

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2
Q

What are the particles of an atom?

A

Neutrons, Protons, Electron

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3
Q

What subatomic particles are found in the centre of an atom?

A

Neutrons and protons

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4
Q

Name the charges of each subatomic particle?

A 
P= positive
N= neutral
E= negative
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5
Q

What are the mass of each subatomic particle?

A

P=1
N=1
E=0

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6
Q

What are levels of electrons that are on each shell?

A 
1= 2
2= 8
3= 8
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7
Q

What are the same in all atoms?

A

They have equal amounts of protons and electrons

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8
Q

What is the mass number?

A

The number of protons and electrons in its nucleus

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9
Q

What is an isotope?

A

An element with a different number of neutrons

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10
Q

What is the relative atomic mass?

A

The average mass of isotopes in an atom

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11
Q

How to calculate the relative atomic mass?

A

RAM = (% of isotope 1 x mass) + (% of isotope 2 x mass)

divided by two

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12
Q

What is an ion?

A

An ion is an atom that has gained an electron

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13
Q

How does an atom become charged?

A

When an atom does not have an equal numbers of protons and electrons

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14
Q

Why does an atom become an ion?

A

To form full outer shells

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15
Q

What are the three types of bond?

A

Ionic, metallic and covalent

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16
Q

What makes a covalent bond?

A

A metal and a non-metal bonding, positive and negative nuclei share a pair of electrons

17
Q

What makes a ionic bond?

A

A non-metal and another non-metal making a compound, this happens when one or more electron(s) transfers from one another

18
Q

What makes a metallic bond?

A

Two metals trying to bond together when the outer electrons are delocalised.

19
Q

What are the four states and their symbols?

A

solid - (s)
liquid - (l)
gas - (g)
solution - (aq)

20
Q

What is the definition of a metal?

A

Metals have a high melting melting point and boiling point and are solids at room temperature apart from mercury

21
Q

What is the definition of an ionic substance?

A

Ionic substances have a high melting point and boiling point and are solids at room temperature

22
Q

What is the definition of a covalent substance?

A

Covalent substances have a low melting and boiling point and can be solids, liquids and gases at room temperature

23
Q

What conducts and doesn’t conduct electricity

A

metals always conduct
covalent substances don’t conduct
ionic only conduct when molten or in a solution, not a solid

Nat 5 Chemistry (1 decks)

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