Home Library Explore SAT

Home Library Explore SAT

Y9 Chemistry Combined Atoms and Periodic table Flashcards | StudBud

Explore/Y9 Chemistry Combined Atoms and Periodic table

Y9 Chemistry Combined Atoms and Periodic table

11 terms·StudBud Administration·54 plays

End of year test revision

Flashcards11 cardsFPractice quizPHost liveL

Questions 11

Answers

1
In the periodic table, a group is a...
A section on the table
Horizontal row
Metal only atom
Vertical column
2
The atomic number tells us the number of...
Protons and neutrons
Electrons
Neutrons
Protons
3
The first shell can hold...
2 electrons
8 electrons
4 electrons
6 electrons
4
Law of conservation of mass means...
Mass of the product doubles.
Mass of the reactant is equal to the mass of the product.
Mass of the reactants are less than the mass of the product.
Mass of the reactants are more than the mass of the product.
5
What is a shell?
WHen atoms form a hard coating
Space where protons orbit
Space where neutrons orbit
Space where electrons orbit
6
Balance this reaction: H₂+O₂→ 2H₂O
2H2 +O2 → 2H2O
H2 +O2 → 2H2O
H2 +O2 → H2O
H2 +2O2 → 2H2O
7
What is an ion?
A group of electrons
A positive atom
A charged atom
A negative atom
8
This image shows...
Filtration
Evaporation
Distillation
Crystallisation
9
Why does chromatography work?
Compounds are different colours.
Compounds can be seen.
Compounds naturally separate.
Compounds have different weights to each other.
10
A isotope is...
when an atom loses or gains protons.
when an atom loses or gains neutrons.
when an atom loses or gains electrons.
when an atom becomes charged.
11
Atoms are made up of...
Electrons, protons, and ions.
Electrons, protons, and neutrons.
Electrons, protons, and a nucleus.
Electrons, positrons, and neutrons.