stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Atoms, Periodic Table, Shell arrangement, Ions (Chemistry) Flashcards | StudBud
Explore
/
Atoms, Periodic Table, Shell arrangement, Ions (Chemistry)
Atoms, Periodic Table, Shell arrangement, Ions (Chemistry)
15 terms
·
StudBud Administration
·
150 plays
Introduction to Chemistry for Year 9 Science
Flashcards
15 cards
F
Practice quiz
P
Host live
L
Questions
15
Answers
1
How many electrons does this stable Sodium atom have?
10
8
11
9
2
What element is this and what is it's atomic number?
Oxygen
Oxygen- 9
Ozone- 8
Oxygen- 8
3
Name this ionic compound.
Calcium Oxygen
Cacao
Calcium Oxide
Cadmium Oxide
4
Atoms are made up of
Protons, Neutrons and Electrons
Protons and Electrons
Neutrons and electrons
Protons and Neutrons
5
Sodium Chloride is also known as Salt. What is the Chemical formula?
NaCh
NaCl
NaC
SoCh
6
What element is this?
Neon
Sodium
Nabelium
Nickel
7
Which scientist explained the "plum pudding" model?
Niels Bohr
Ernest Rutherford
J. J. Thompson
Democritius
8
If the Mass number for sodium is 22, how many neutrons will it have?
11
10
9
8
9
Argon is found in the furthest right group of the periodic table and is non-reactive. It is a
Noble Gas
Non-metal
Metalloid
Metal
10
A stable atom always has the same no. of electrons & protons. How many protons in this atom?
10
7
1
8
11
Who first suggested that all substances are made of indestructible particles called atoms?
Lord Rutherford
J.J. Thomson the English scientist
John Dalton- Chemist, Physicist, Meteorologist
Democritius the Philosopher
12
Magnesium is a
Noble Gas
Metalloid
Metal
Non-metal
13
The mass number of an atom is made up of....
No. of Protons Only
No. of Protons + No. of Neutrons
No. of Protons + No. of Electrons
No. of Electrons + No. of Neutrons
14
Chlorine is a
Metal
Noble Gas
Metalloid
Non-metal
15
Which scientist suggested that electrons orbit the nucleus at different energy Levels?
Niels Bohr
James Chadwick
J. J. Thomson
John Dalton
