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Periodic Table
Periodic Trends
Element Identification
Bonds
Energy levels,periods and groups
100
What number tells you the number of protons and electrons?
Atomic Number
100

What is the middle of an atom called

Nucleus

100
What is the name of element number 1?
Hydrogen
100

What is a chemical bond?

A force that holds atoms together.

100
How many electrons fit on the first energy level?
2
200
How do you figure out the number of neutrons?
Subtract the atomic number from the atomic mass
200
What particle has a positive charge?
Proton
200

What element has symbol of Cl

Chlorine
200

What is a Ionic bond?

Bonds formed between atoms as a result of losing or gaining electrons.

200

How many electrons are on the third energy level?

up to 18

300

How do you find valence electrons for elements (not transition)

Whatever # group they are in but takeout transitions to make boron group 3(normally 13)

300

What particle has nuetral charge?

Neutron

300

what element has the atomic # 5

Boron


300

What is a covalent bond.

a bond that results in atoms sharing electrons. 

300

How many electrons are on the second energy level?

up to 8

400

What is a dot diagram

a diagram with the elements symbol with dots around representing valence electron

400
What particle has a negative charge?
Electron
400

Which element has a symbol Na

Sodium

400

What is it called when 2 atoms chemically bond into one?

Molecule.

400

What are the columns called and how many are there?

Groups and 18

500

What does the term 'valence electrons' mean? 

number of electrons on outermost shell

500

what are the rings outside nucleus called, and what are on them?

Energy levels, electrons.

500

What is the 8th element in the periodic table


Oxygen

500

name all elements plus how many of each, and total amount of atoms in H2SO4?

3 elements 2 hydrogen 1 sulfur and 2 Oxygen, 7 total atoms.

500

What are the rows called and how much are there?

Periods,7