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JC The atoms & periodic table Flashcards | StudBud
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JC The atoms & periodic table
JC The atoms & periodic table
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atoms and periodic table
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
The alkaline earth metals contain how many electrons in their outer shell
2
7
1
8
2
The group 1 elements are called
The alkaline earth metals
The noble gases
The alkali metals
The halogens
3
True or false: Beryllium is an alkali metal
False
True
4
All of the known elements are listed on the...
chart of elements
Periodic table of elements
5
The noble gases are very nonreactive
True
False
6
The bohr model is named after Neils Bohr
False
True
7
The centre of the atom is the
nucleus
proton
electron
neutron
8
What charge does a proton have?
negative
positive
neutral
9
How many electrons do the group 1 elements have in their outer shell
4
2
3
1
10
The group 2 elements are called
the alkaline earth metals
The alkali metals
the noble gases
the halogens
11
The atomic number of an element tells us
How many neutrons there is in the atom
How many protons and neutrons there is in the atom
How many electrons and neutrons there is in the atom
How many protons there is in the atom
12
What was the name of the scientist who arranged the periodic table
Albert Einstein
Dimitri Mendeleev
Ernest Rutherford
Neils Bohr
13
The group 7 elements are known as
The alkaline earth metals
The halogens
The noble gases
The transition metals
14
What do the blue dots in the bohr model represent
Neutrons
Electrons
Protons
15
What is the smallest part of an element called?
a nucleus
a cell
an atom
a molecule
16
True or False : The noble gases all have a full outer shell
True
False
17
True or false: Chlorine is a halogen
True
False
18
True or false: Francium is more reactive than caesium
False
True
19
The mass number of the element tells us
How many electrons there is
How many protons, neutrons and electrons there is
How many protons and neutrons there is
20
The alkali metals are all very
Non reactive
readily available
explosive
reactive
