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Match it! Select the correct answer from the pull down...Good luck!
What particles make up the atomic nucleus?
8
Si
Chadwick
13
The atomic number is equal to the number of protons
Faraday
Calcium and magnesium are alkaline-earth metals
protons and neutrons
Which statement about elements and their relationship in the periodic table is true?
8
Si
Chadwick
13
The atomic number is equal to the number of protons
Faraday
Calcium and magnesium are alkaline-earth metals
protons and neutrons
Who discovered that electrons were part of the atom?
8
Si
Chadwick
13
The atomic number is equal to the number of protons
Faraday
Calcium and magnesium are alkaline-earth metals
protons and neutrons
Which of the following symbols represents the element with an atomic number of 14?
8
Si
Chadwick
13
The atomic number is equal to the number of protons
Faraday
Calcium and magnesium are alkaline-earth metals
protons and neutrons
How many electrons does an atom have if the mass number is 15 and the number of neutrons is 7?
8
Si
Chadwick
13
The atomic number is equal to the number of protons
Faraday
Calcium and magnesium are alkaline-earth metals
protons and neutrons
What is the mass number of an atom with 6 protons and 7 neutrons.
8
Si
Chadwick
13
The atomic number is equal to the number of protons
Faraday
Calcium and magnesium are alkaline-earth metals
protons and neutrons
Who discovered that neutrons were part of the atom?
8
Si
Chadwick
13
The atomic number is equal to the number of protons
Faraday
Calcium and magnesium are alkaline-earth metals
protons and neutrons
Which statement about the relative number of subatomic particles in an atom is always true?
8
Si
Chadwick
13
The atomic number is equal to the number of protons
Faraday
Calcium and magnesium are alkaline-earth metals
protons and neutrons
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