Test: Atomic Structure Flashcards
1
Q
6.Which word(s) below is represented by the word “period” on the periodic table.
A
energy level pg. 13
2
Q
- Which statement about the arrangement of the periodic table is not true?
A
Rare earth metals are in the first column on the left. Pg 21
3
Q
- What is the correct symbol for an isotopes of carbon with 6 protons and 6 neutrons
A
Carbon-12 pg.21
4
Q
- An element with 5 protons, 6 neutrons, and 8 elections has an atomic number of…
A
5 pg13
5
Q
- An atom is electrically neutral because…
A
The of protons and electrons are equal pg13
6
Q
- The measurements of how much an object contains is its
A
Mass pg 13
7
Q
- Which of the following elements would be the most reactive
A
Iodine pg 21
8
Q
- How many valence electrons are in group 18?
A
8 valance electrons pg22
9
Q
47.c. This element is in alkaline earth metals group and has 3 energy levels
A
It must be mg, pg21
10
Q
47D. This element is in the family with the most reactive nonmetal and has 4 energy levels
A
It must be Br pg21
11
Q
50.in each period , how does the number of electrons in each kind of atom from left to right between groups 1 and 2? Explain.
A
of e- increases your 1 in a periodic as moves across the period atomic # also increases
