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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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Grundläggande information om kemi
Flashcards
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Questions
17
Answers
1
When two different elements combine. They will form
Compounds
Molecules
Isotoes
Chemicals
2
Neutroner är...
Neutrala
Positivt laddade
Kemikaliska
Negativt laddade
3
Isotopes are a "heavier" version of an element, and that means it has an extra ....
Protons
Neutrons
Molecules
Electrons
4
An atom consists of.....
Protones, Molecules, Electrons
Neutrones, Protones and Electrones
Isotopes
Protones, atomic number and mass number
5
The scientist credited with devising the first periodic table:
Ernest Rutherford
Dmitri Mendeleev
John Dalton
Gregor Mendel
6
The innermost shell (K shell) can have a maximum ...
8 electrones
2 electrones
3 electrones
1 electron
7
Electrones which is found in the outer-most shell are called
N shell elctrones
Valence electrones
k shell electrones
8
Electrones have
Neutral
Poitive Charge
Negative Charge
No charge
9
The centre of the atom is called
Nucleus
Electrones
No name for it
10
protones have
Positive charge
No charge
Neutral
Negative charge
11
Element Fe is ...
Silver
Helium
Iron
Gold
12
Various substances react with each other by ...
Share to or donate electrons
Pulling to one another (+ and -)
do not react at all
share protones
13
Element Md which is named after periodic table creator is called
Nitrogen
Mendelevium
Boron
Gold
14
How many naturally occurring elements are found on the earth?
114
89
60
75
15
What is the smallest unit of an element?
Molecules
Particles
Atom
Electron
16
The rings in the picture are called ...
no name for it
electron shell
proton shell
periodic particles
17
The element that is found mostly in the entire universe ....
Gold
Silver
Helium
Hydrogen
