History of Earth Vocab Review

Match the following

• positive charge, found in nucleus

• proton

• no charge, found in nucleus

• neutron

• negative charge, found outside nucleus

• electron

Tags

NGSS.MS-PS1-1

smallest particle of an element

• element

• atom

• half-life

pure substance made of only one kind of atom

• element

• atom

• half-life

length of time required for half of the radioactive atoms in a sample to decay

• element

• atom

• half-life

Tags

NGSS.HS-PS1-8

atoms of the same element with different numbers of neutrons

​ (a)   is the center of an atom containing the protons and neutrons

• nucleus
• period
• polarity

average mass of all the isotopes of an element (number of protons and neutrons) is the atomic _________

the number of protons in the nucleus of an atom is the atomic _________

Plate boundary where 2 plates move away from each other​ ​ (a)  

• transform
• convergent
• divergent

Plate boundary where 2 plates move toward​ from each other​ ​ (a)  

• transform
• convergent
• divergent