Group 1
Atomic structure
Ionic bonding
Covalent bonding
Periodic table
100

The least reactive metal in the group.

lithium

100

The inner part of an atom that contains the proton and the neutron is called the __________.

Nucleus

100

These chemically combine to form an ionic bond.

metal and non-metal

100

How a covalent bond forms.

sharing a pair of electrons

100
Atomic numbers of an atom are the same as the number of what in an atom?
protons
200

Burns with a lilac flame when it reacts with water.

potassium

200
These particles have a positive charge and are found inside the nucleus.
proton
200

Also called table salt.

NaCl

200

These chemically combine to form a covalent bond.

non-metal and non-metal

200
Carbon's atomic number is _______.
6
300

The metals become _______ as you go down the group

softer

300
These particles are located within the nucleus, and have no charge.
Neutron
300

What keeps the positive and negative ion together in the bond and makes it strong.

strong electrostatic forces of attraction

300

The word to describe different forms of the same element eg diamon and graphite.

allotrope

300
What element has a number of 56?
barium
400

Burns with an orange flame when it reacts with water.

sodium

400
These particles are negatively charge and are found outside the nucleus.
electrons
400

The state of matter the compounds needs to be in to conduct electricity.

molten ionic compounds

400

Small simple molecules OR greenhous gases.

carbon dioxide, water or methanee

400
Why does hydrogen have an atomic number of 1?
because it only has one proton
500

Products of the reaction of an alkali metal and water.

hydrogen gas and a metal hydroxide.

500
Most of the mass of an atom is located here.
nucleus
500

Physical properties of ionic compounds.

Usually a solid with a high melting point

500

How to draw atom in a covalent bond showing the shared pairs of electrons.

dot and cross diagram

500

Some atoms have the same number of _______ but a different number of  ___________, which makes them isotope.

protons and neutrons

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