Download Chemistry and elements 1. The rows of the periodic table are called

Chemistry and elements
1. The rows of the periodic table are called:
a. classes
b. periods
c. groups
d. families
2. As you move from left to right across the periodic table:
a. atomic number decreases
b. atomic number increases
c. The elements become darker in color
d. The elements become lighter in color
4. Where would you expect to find the smallest element in the periodic table?
a. top and lefthand side
b. top and righthand side
c. bottom and lefthand side
d. bottom and righthand side
6. Valence electrons:
a. Are always in the atom’s first orbit
b. Are always in the atom’s outer orbit
c. Change orbits
d. None of the above
7. A proton has a:
a. Positive charge
b. Negative charge
c. No charge
d. It changes
8. An electron has a:
a. Positive charge
b. Negative charge
c. No charage
d. It changes
9. A Neutron has a:
a. Positive Charge
b. No charge
c. No charge
d. It Changes
10. Elements are organized on the table according to their:
a. Atomic number
b. Atomic mass
c. Number of electrons
d. Color
11. The atomic number refers to how many:
a. Protons the atom has
b. Neutrons the atom has
c. Electrons the atom has
d. All of the above
12. The atomic mass of an element is:
a. Protons + Neutrons
b. Protons + Electrons
c. Neutrons + Electrons
d. Just protons
15. Inside the atom’s nucleus are the:
a. Protons and electrons
b. Neutrons and electrons
c. Protons and Neutrons
d. Just the electrons
18. O is the atomic symbol for:
a. Oregon
b. Oz
c. Oregunium
d. Oxygen
21. Define fission:
22. Define fusion:
Atoms and Molecules
1. What is an atom? Give an example.
2. What are the three building blocks of atoms and where are they located in the
atom?
3. What is a molecule? Give an example.
4. In a chemical formula like 6 C6H12O6, how many molecules are there and how
many of each type of atom?