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What type of charge does a proton have?
positive
What type of charge does a neutron have?
Neutral/ No charge
Where are the electrons located?
Electron Shells/cloud
What type of charge does a electron have?
Negative
If an atom has 35 protons in the nucleus, how many electrons will it have orbiting the nucleus?
35
What is the atomic # for Oxygen? Use a periodic table
8
What is the Mass Number for Oxygen if it has 9 neutrons?
17
What is the atomic # for Silicon (Si) ? Use Periodic Table
14
How many neutrons are in the nucleus of an atom with an atomic number of 25 and a mass of 56?
31
How many neutrons are in the nucleus of an atom that has a mass number of 36 and an atomic number of 25?
11
What does APE MAN stand for?
Atomic Number = Protons = Electron Mass Number-Atomic Number=Neutrons
What is the center of an atom containing protons and neutrons?
nucleus
protons + neutrons =
mass number
Where do you find the atomic number of an atom?
Above the chemical symbol in the periodic cell/ periodic table
What make an atom a neutral atom?
same number of protons and electrons so the charges cancel out
How many protons does this element have?
49
