Chemistry

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Chemistry

1. What are the three subatomic particles of an atom?

A) proton, valences, and bohrs
B) protons, nucleus, and electron cloud
C) shell, symbol,and proton
D) protons, neutrons, and electrons

2. What is the family number for the element Neon?

3. How many shells does the element Magnesium have in the electron cloud?

4. How many electrons can be placed in the first shell (k)?

5. How many protons does Boron contain?

6. What subatomic particle determines an atoms identity?

A) neutron
B) proton
C) electron
D) nucleus

7. How many neutrons does the element Sodium contain?

8. What is the atomic mass of Potassium?(rounded)

9. Where in the atom are protons and neutrons found?

A) electron cloud
B) nucleus
C) shells
D) not sure

10. Which element has 8 valence electrons, 18 protons and 22 neutrons?

A) Fluorine
B) Argon
C) Titanium
D) Bromine

Otros exámenes de interés :

Chem: revision: can you "read" the periodic table?
Compounds, elements, and atoms test
Periodic table quiz- dec. 11 wednesday

Examen creado con That Quiz — donde se practican las matemáticas.