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8th Grade 1 six weeks Warm Up 3 (2014)
供稿人: Bellman
Protons and neutrons make up the center most partof the atom called the _____________.  Protons andneutrons also make up_____________ of the mass of the atom.
electron cloud, most
nucleus, most 
nucleus, least
center, none
Statements 2 and 3 are true.  Statement 1 is false.
Statements 1 and 2 are true.  Statement 3 is false.
Statements 1, 2, and 3 are all true
Statements 1 and 3 true.  Statement 2 is false.
True or False
1. Protons and neutrons have the same mass.2. Electrons have a greater mass than protons.3. Neutrons have a greater mass than electrons.

Titanium
47.88
Ti
22
How many neutrons does this atom
of titanium have?
22
44
26
48
Look at your periodic table for the following question.
All the statements are true.
All the statements are false.
Statements 1 and 2 are true.  Statement 3 is false.
Statement 1 is true.  Statements 2 and 3 are false.
True or False
1. Chromium is a metal.
3. Silicon is a nonmetal.
2. Iodine is a metalloid
Helium, Neon, Argon, and Krypton are all ____________.
This means these are elements that ___________ with 
other elements.
noble gasses, don't react
noble gasses, react
inert gasses, explode
lights, glow
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