Review of Periodic Behavior

A group of elements that all have six valence electrons:
1. Group 1
2. Group 16
3. Group 17
4. Group 18
A group of elements that all have seven valence electrons:
1. halogens
2. Noble gases
3. transition metals
4. alkaline earth metals
The alkali metals form ions with a charge of
1. 2-
2. 1-
3. 2+
4. 1+
The alkaline earth metals form ions with a charge of
1. 2-
2. 1-
3. 2+
4. 1+
The halogens form ions with a charge of
1. 2+
2. 1+
3. 2-
4. 1-
Given the representation of a chlorine atom, which circle might represent an atom of bromine?
1. None of these
2. Circle B
3. Circle C
4. Circle D
Which family of elements does not readily form ions?
1. Alkali metals
2. Alkaline earth metals
3. Halogens
4. Noble gases
The nonmetal members of the oxygen family (oxygen, sulfur and selenium) for ions with a charge of
1. 2-
2. 1-
3. 1+
4. 2+
The nonmetal members of the nitrogen family (nitrogen, phosphorus, and arsenic) form ions with a charge of
1. 3-
2. 2-
3. 1-
4. 3+
Which of the following elements would have five dots in its electron dot notation?
1. oxygen
2. fluorine
3. nitrogen
4. aluminum
As one moves down ( ↓ ) a group on the periodic table, the atomic radius of the elements encountered:
1. increases
2. decreases
3. stays the same
Of the following elements, which one would have the largest radius?
1. Hydrogen (H, atomic #1)
2. Sodium (Na, atomic #11)
3. Potassium (K, atomic #19)
4. Cesium (Cs, atomic #55)
Of the following elements, which one would have the largest radius?
1. Fluorine (F, atomic #9)
2. Chlorine (Cl, atomic #17)
3. Bromine (Br, atomic #35)
4. Iodine (I, atomic #53)
Of the following elements, which one would have the smallest radius?
1. Fluorine (F, atomic #9)
2. Chlorine (Cl, atomic #17)
3. Bromine (Br, atomic #35)
4. Iodine (I, atomic #53)
Which of the following sets of elements could replace the generic "X" symbol with their own to produce a valid dot notation for the element(s)?
1. boron, aluminum and gallium
2. carbon, silicon and germanium
3. nitrogen, phosphorus and arsenic
4. oxygen, sulfur and selenium
Which of the following sets of elements could replace the generic "X" symbol with their own to produce a valid dot notation for the element(s)?
1. boron, aluminum and gallium
2. carbon, silicon and germanium
3. nitrogen, phosphorus and arsenic
4. oxygen, sulfur and selenium
Which of the following is the correct dot notation for the element carbon?
Which of the following is the correct dot notation for the element potassium, K?
Which of the following is the correct dot notation for the element sulfur?
Which of the following sets of elements could replace the generic "X" symbol with their own to produce a valid dot notation for the element(s)?
1. helium
2. neon
3. argon
4. radon
5. xenon
6. krypton
Which of the following elements has the same number of valence electrons as the element carbon, C?
1. boron, B, atomic #5
2. nitrogen, N, atomic #7
3. silicon, Si, atomic #14
4. phosphorus, P, atomic #15
Which of these elements does not have the same number of valence electrons as the other three?
1. helium
2. neon
3. argon
4. krypton
Which of these elements does not have the same number of valence electrons as the other three?
1. beryllium, Be
2. magnesium, Mg
3. cesium, Cs
4. strontium, Sr
Which of these is the proper formula for a magnesium ion?
1. Mg¹⁺
2. Mg²⁺
3. Mg^1-
4. Mg^2-
When forming ions, metals tend to _________ electrons and nonmetals tend to __________ electrons.
1. lose / gain
2. gain / lose
3. gain / gain
4. lose / lose