Which is the state of matter that has a definite shape and definite volume?
2 points
2
Question 2
2.
Which is the state change in which a gas becomes a liquid?
2 points
2
Question 3
3.
Which is the type of separation technique being demonstrated in the figure?
2 points
2
Question 4
4.
Which of the following substances is an element?
2 points
2
Question 5
5.
Which is NOT a chemical change?
4 points
4
Question 6
6.
What is the density of an object having a mass of 7.9 g and a volume of 37.15 cubic centimeters?
4 points
4
Question 7
7.
What is the volume of an object with a density of 9.09 g/cm3 and a mass of 542 g?
2 points
2
Question 8
8.
This radioactive particle has two protons and two neutrons.
2 points
2
Question 9
9.
Which subatomic particle has a negative charge?
2 points
2
Question 10
10.
The particles that are found in the nucleus of an atom are ____.
2 points
2
Question 11
11.
All atoms of the same element have the same ____.
2 points
2
Question 12
12.
Isotopes of the same element have different ____.
2 points
2
Question 13
13.
Who was the man who lived from 460B.C.–370B.C. and was among the first to suggest the idea of atoms?
1 point
1
Question 14
14.
1 point
1
Question 15
15.
1 point
1
Question 16
16.
1 point
1
Question 17
17.
1 point
1
Question 18
18.
1 point
1
Question 19
19.
1 point
1
Question 20
20.
1 point
1
Question 21
21.
1 point
1
Question 22
22.
1 point
1
Question 23
23.
2 points
2
Question 24
24.
Which of the following elements is a d-block element?
2 points
2
Question 25
25.
What is the next atomic orbital in the series 1s, 2s, 2p, 3s, 3p?
2 points
2
Question 26
26.
Which is the correct electron dot diagram for the element Silicon (Si)?
2 points
2
Question 27
27.
What is the electron configuration of potassium?
2 points
2
Question 28
28.
How many energy sublevels are in the second principal energy level?
2 points
2
Question 29
29.
Give the electron dot diagram for the element Iodine.
2 points
2
Question 30
30.
Give the electron configuration for a neutral atom of beryllium.
2 points
2
Question 31
31.
What is another name for the representative elements?
2 points
2
Question 32
32.
Which of the following elements is in the same period as phosphorus?
2 points
2
Question 33
33.
Of the elements Pt, V, Li, and Kr, which is a nonmetal?
2 points
2
Question 34
34.
Which of the following elements has the smallest atomic radius?
2 points
2
Question 35
35.
Which group of elements in the periodic table is known as the alkali metals ?
2 points
2
Question 36
36.
What is another name for column 17 elements?
2 points
2
Question 37
37.
Which is described as the force holding two atoms together?
2 points
2
Question 38
38.
Which is the charge that results when oxygen becomes an ion?
2 points
2
Question 39
39.
What is the correct formula for the compound Manganese(III) fluoride?
2 points
2
Question 40
40.
What is the correct name for the compound Na3P?
2 points
2
Question 41
41.
Elements in groups 1A and 2A in the periodic table form positively charged ions by loss of electrons. What will be the charge on an atom, if it belongs to group 1A?
2 points
2
Question 42
42.
Elements in groups 5A, 6A and 7A in the periodic table form negatively charged ions by gain of electrons. What will be the charge on an atom, if it belongs to group 6A?
