What are Bohr's rules for electron arrangement?

2 electrons in the first, 8 in the next two shells

What is a covalent bond?

When electrons are shared between elements

Where are electrons located?

In energy shells around the nucleus

Ionic bonding occurs when...

Electrons are passed between elements to make ions

Why do chemistry teachers tell bad jokes?

Because all the the good jokes ARGON!

Why is Sodium (Na) so reactive?

Because it has 1 valency (outside shell) electron

Subatomic particles are arranged from largest to smallest in this order...

Neutrons, protons, electrons, Protons, neutrons, electrons

The subatomic particles have these charges...

Protons (+), Electrons (-), neutrons (neutral)

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Chemistry Basics

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A basic revision for Introduction to Chemistry

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Questions 21

Answers

1
How many electrons are in the outer shell (valency shell) of Neon?
4
7
8
1
2
What are Bohr's rules for electron arrangement?
electrons are located in the nucleus
8 electrons in all shells
8 electrons in the first, 2 electrons in the second
2 electrons in the first, 8 in the next two shells
3
What is a covalent bond?
When electrons are shared between elements
When electrons are removed to create ions
When protons are swapped between elements
When there are two penguins in love from different coves
4
What are all atoms made up of?
Protons, Electrons, Neutrons
Puritons, Nomitrons, Elevatortrons
Elements, Protons, Electrons
Protons, Morons, Neutrons
5
The current theory for the structure of the atom was hypothesised by...
Democritis
Hypocritis
Ernest J Rutherford
Neils Bohr
6
How are each of the elements different to each other in their structure?
Shape i.e. rectangular and circular
Their number of protons
Their number of electrons
Their number of neutrons
7
Where are electrons located?
Close to the nucleus
Evenly throughout the element
In energy shells around the nucleus
In the nucleus
8
How many electrons are in the outer shell (valency shell) of Boron?
3
7
1
8
9
The periodic table shows elements that are more reactivity...
at the top
on the left
on the right
in the middle
10
What is the name of this ionic compound?
Lithium Fluoride
Who cares, i hate chemistry!
Hydrogen Fluoride
Sodium Fluoride
11
Ionic bonding occurs when...
When elements are stuck together in ice
When Ions wear Bonds underwear
When electrons are shared between elements
Electrons are passed between elements to make ions
12
How many electrons are in the outer shell (valency shell) of Chlorine?
4
1
8
7
13
Why do chemistry teachers tell bad jokes?
Because Chemistry teachers don't have a sense of humour
Because Chemistry is too serious to joke about
Because all the the good jokes ARGON!
Because chemistry is boring
14
How many electrons are in the outer shell (valency shell) of Sodium?
7
4
1
8
15
Why is Sodium (Na) so reactive?
Because it has 11 protons
Because it hates being with chlorine in table salt
Because it has 1 valency (outside shell) electron
Because it is very electrical
16
What is the name of the elements in the far right group?
Alkali Metals
Noble Gases
Halogens
Transition metal
17
What is the name of this ionic compound?
Sodium Fluorine
Sodium Fluoride
Fluorine Sodiide
Lithium Fluoride
18
What is the name of this covalent bond
H2O
HO2
O2H
HOH
19
Subatomic particles are arranged from largest to smallest in this order...
Electrons, Protons, neutrons
Neutrons, electrons, protons.
Neutrons, protons, electrons
Protons, neutrons, electrons
20
The subatomic particles have these charges...
Protons (+), Electrons (-), neutrons (neutral)
Protons (-), Neutrons (-), Electrons (neutral)
Protons (murder), electrons (theft), neutrons (DUI)
Protons (+), Neutrons (-), electrons (neutral)
21
The periodic table is arranged based on...
In order of number of protons
Alphabetical
The order in which they were discovered
Their reactivity

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