Which of the following is classified as an element?
Question 3
3.
Which of the following would NOT be classified as a mixture?
Atomic structure and electron configuration
Question 4
4.
What is the mass of a 25Mg atom?
Question 5
5.
Isotopes of the same element have different:
Question 6
6.
What is the electron configuration of potassium?
Question 7
7.
What is the shape of a 3p atomic orbital?
Question 8
8.
How many neutrons are there in a 13C atom?
Question 9
9.
Two atoms with the same number of protons but a different number of neutrons are called:
Question 10
10.
How many protons are there in a 13C atom?
Question 11
11.
As a consequence of the discovery by Rutherford, which model of the atoms is now believed to be true?
Question 12
12.
Which electron configuration is correct for S2-?
Question 13
13.
How many valence electrons are there in a silicon atom?
Question 14
14.
How many electrons are there in a Cl- atom?
Periodic Trends and Periodic Table
Question 15
15.
Which of the following elements has properties the most similiar to calcium?
Question 16
16.
As you move from left to right across the second period of the periodic table:
Question 17
17.
Which of the following element had the smallest atomic radius?
Question 18
18.
Electronegativity:
Question 19
19.
Which of the following element is in the halogen group?
Bonding, naming and chemical equations
Question 20
20.
In the chemical reaction in which carbon, hydrogen, and oxygen absorb heat and combine to form carbon dioxide and water, which of the following is considered to be a reactant?
Question 21
21.
Which of the following is true for all chemical reactions?
Question 22
22.
What is NOT true about ionic bonds?
Question 23
23.
Which substance is most likely ionic?
Question 24
24.
What is the charge on the strontium ion?
Question 25
25.
What is happening to the electrons in a covalent bond between two atoms?
The next section is naming formulas and determining the correct formula for the name. Use the flowcharts and your common ion list to do this.
Question 26
26.
Select the correct name for: SiO2
Question 27
27.
Select the correct name for: NaI
Question 28
28.
Select the correct name for: N2O5
Question 29
29.
Select the correct name for: Ca(NO3)2
Question 30
30.
Choose the formula for: sulfur hexafluoride
Question 31
31.
Choose the formula for: arsenic pentachloride
Question 32
32.
Choose the formula for: iron(II) chloride
Question 33
33.
Choose the formula for: magnesium sulfite
Questions 45 and 46 refer to the following equation: