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Ions
Periodic Table
Ionic Bonds
Covalent Bonds
Vocabulary/Random
100
What does an atom have to do to become a positive ion?
Lose an electron
100

The number of electrons in the lowest energy level

What is 2 Electrons?

100
Ionic bonds form between a _____ ion and a ______ ion.
A positive and negative ion
100
When does a covalent bond form?
A covalent bond forms when atoms share electrons.
100

The joining of atoms to form new substance?

What is Chemical Bonding?

200
What does an atom have to do to become a negatively charged ion?
gain electrons
200

The group that has two valence electrons?

What is group 2?

200
Ionic bonds form between what classes of elements?
Metals and nonmetals
200
What class of elements does a covalent bond form between?
A covalent bond forms between nonmetals.
200

The outermost layer of electrons.

What is Valance Electrons?

300
what is an ion
a charged atom
300

The group that has a full outer shell

What are the Noble gases?

300

Sodium loses an electron

What is Na+

300
Water is made when oxygen is bonded to another element with covalent bonds. What is the other element and how many atoms of that element is needed?
The other element is hydrogen, and two hydrogen atoms are needed.
300

A charged atom that forms when an atom gains or loses electrons.

What is an Ion?

400
Would two positive ions make bonds?Why?
No, because alike charges are not attracted to each other.
400

How many valence electrons does aluminum have?

3

400

Chlorine gains an electron

What is Cl-

400
What is formed when a group of atoms is bonded together by covalent bonds?
A molecule is formed.
400

What does bonding have to depend on?

It depends on the valence electrons or the outermost ring.

500
What is a Cation?
a positively charged ions
500

why wont elements in group 18 make bonds?

because their outer shell is full

500

A pure substance containing two or more elements

What is a compound?

500

The overall charge of a particle that is covalently bonded

What is neutral?

500

How can you make a positive or negative ion?

You can steal and lose electrons.