Francium belongs to group of

Alkali metals, Radioactive elements

The state symbols in chemical equations are used to denote

Extra information of the physical state of a substance

A displacement reaction is

A more reactive halogen displacing a less reactive halogen

When potassium, an alkali metal reacts with water

it produces a metal hydroxide, It reacts so vigorously that hydrogen produced ignites

two or more substances that are not chemically combined

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Atomic Structure and Periodic Table

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Revision activity for year 10 triple science on atomic structure and periodic table. #revisionyear10science #atomicstructureandperiodictables

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Questions 20

Answers

1
Non-metals are electric insulators except
Aluminium
Siver
Arsenic
Carbon
2
Atomic mass is the number of
outer shells
electrons and neutrons
none of the above.
protons and neutrons
3
Protons are
Negatively charged
Have no charge
Ions
Positively charged
4
Francium belongs to group of
Alkali metals
Nobles gases
Alkaline earth metals
Radioactive elements
5
The state symbols in chemical equations are used to denote
Balancing of reactants and products
Latin names of the elements
Extra information of the physical state of a substance
Different states from where the element is found
6
A displacement reaction is
metals reacting with non-metals.
a more reactive metal displacing a less reactive one
A more reactive halogen displacing a less reactive halogen
increase of reactivity in metals
7
An element contains
compounds
same type of atoms
different molecules
different type of atoms.
8
Group one of periodic table contains
Halogens
Transition metals
Alkaline earth metals
Alkali metals
9
Electron was discovered by
J. J. Thomson
Dmitri Ivanovich Mendeleev
John Newlands
Dalton
10
The reactivity in Group 7 elements
decreases going down the group
stays the same
Increases sideways
increases going down the group
11
In a chemical reaction, atoms are
mixed together
balanced
dissolved
rearranged
12
Atomic Number is defined by number
Mass of the element
Outer shells
Protons
Electrons
13
When potassium, an alkali metal reacts with water
it dissolves forming a halide.
none of the above
it produces a metal hydroxide
It reacts so vigorously that hydrogen produced ignites
14
All substances are made of tiny particles called
Mixtures
Molucules
Atoms
Non-metals
15
The elements arranged in periodic table in columns are called
Compounds
Metals
Groups
Rows
16
In Water and Carbon dioxide there are
two compounds
two atoms
three molecules
three atoms
17
Mixtures are
two or more elements chemically bonded together.
Atoms from different elements joined by their nucleus
none of the above
two or more substances that are not chemically combined
18
In some countries pure water from sea water can be purified by
Multiple chemical reactions
Fractional Distillation
Crystallisation
Distillation
19
In a chemical reaction, the mass of the final product,
decomposes
increases
remains the same
decreases
20
Atoms in a compound are joined by
Chemical bonds
Physical bonds
Nucleus
DNA'S

Atomic Structure and Periodic Table Flashcards | StudBud