Standard 8.P.1.2 1. Which property of matter can easily be

Standard 8.P.1.2
1. Which property of matter can easily be determined by looking at the periodic
A. density
B. solubility
C. melting point
D. chemical reactivity
2. Which element is the least reactive?
A. carbon
B. helium
C. hydrogen
D. iodine
3. How are elements ordered in the modern periodic table?
A. by date of discovery
B. by decreasing atomic mass
C. by increasing atomic number
D. by alphabetical order of element symbols
4. Which best describes elements found in a column of the periodic table?
A. The elements have the same-size atoms.
B. The elements have the same atomic number.
C. The elements have similar chemical properties.
D. The elements are all found naturally in the same physical state.
5. An engineer needs a hard, non-magnetic semiconductor. Which element
would best fit this description?
A. aluminum (Al)
B. carbon (C)
C. silicon (Si)
D. silver (Ag)
6. Which element is a member of the halogen family?
A. helium (He)
B. oxygen (O)
C. sodium (Na)
D. chlorine (Cl)
7. Element X reacts with the elements of Group 17 (VIIA) of the periodic table.
The compounds produced in these reactions have one atom of element X for
every one atom of a Group 17 element. To which group does element X most
likely belong?
A. Group 1 (IA)
B. Group 2 (IIA)
C. Group 13 (IIIA)
D. Group 16 (VIA)
8. Johnny is trying to identify a sample of a highly reactive nonmetal. With which
elements would his sample most likely be found on the periodic table?
A. neon (Ne) and radon (Rn)
B. fluorine (F) and bromine (Br)
C. silicon (Si) and phosphorous (P)
D. sodium (Na) and magnesium (Mg)
9. Which best explains why the alkali metals are the most reactive group in the
periodic table?
A. They are radioactive.
B. They have complete outer energy levels.
C. They have the highest atomic masses of any elements.
D. They have only one electron in their outer energy level.
10. Which most accurately represents the changes in the physical state of
elements in Period 4?