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Atomic Structure and the Periodic Table

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Last updated about 1 year ago
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Question 1
1.

Who first proposed the existence of indivisible particles?

Question 2
2.

Who first proposed the idea of atoms?

Question 3
3.

Democritus believed matter was made of what?

Question 4
4.

Which concept did Democritus contribute to chemistry?

Question 5
5.

What does J.J. Thomson's experiment discover about atoms?

Question 6
6.

Which particle did Thomson identify in his experiments?

Question 7
7.

What model did Thomson propose for atomic structure?

Question 8
8.

What charge did J.J. Thomson assign to the electron?

Question 9
9.

What did Ernest Rutherford discover about the atom's structure?

Question 10
10.

In Rutherford's gold foil experiment, what was the primary finding?

Question 11
11.

How did Rutherford's model change the view of atoms?

Question 12
12.

What did Rutherford conclude about the atom's mass?

Question 13
13.

What did Niels Bohr propose about electron arrangement?

Question 14
14.

Which of the following is true about Bohr's model?

Question 15
15.

What aspect of atoms did Bohr's model primarily address?

Question 16
16.

Bohr's model led to the understanding of what concept?

Question 17
17.

What is an ion?

Question 18
18.

What causes an atom to become an ion?

Question 19
19.

Which particle is changed when forming an ion?

Question 20
20.

An anion is formed by:

Question 21
21.

What is the region where electrons are found called?

Question 22
22.

What shape best describes the electron cloud model?

Question 23
23.

How do electrons behave in the electron cloud?

Question 24
24.

What is NOT true about the electron cloud?

Question 25
25.

What does the atomic number represent in an atom?

Question 26
26.

What is atomic mass primarily determined by?

Question 27
27.

Which element has an atomic number of 6?

Question 28
28.

How does atomic mass differ from atomic number?

Question 29
29.

Who is known as the father of the periodic table?

Question 30
30.

What did Mendeleev organize in the periodic table?

Question 31
31.

What prediction did Mendeleev make about undiscovered elements?

Question 32
32.

What key feature does Mendeleev's table represent?

Question 33
33.

What subatomic particle carries a positive charge?

Question 34
34.

Which part of the atom contains protons and neutrons?

Question 35
35.

What determines the element's identity on the periodic table?

Question 36
36.

What element has the atomic number 6?

Question 37
37.

What is a group in the periodic table?

Question 38
38.

Which of the following describes a period?

Question 39
39.

How many groups are in the periodic table?

Question 40
40.

What distinguishes elements in the same group?

Question 41
41.

What do the periods in the periodic table represent?

Question 42
42.

Elements in the same period have what in common?

Question 43
43.

What determines the chemical properties of an element?

Question 44
44.

What is the role of valence electrons in bonding?

Question 45
45.

Which group has similar valence electrons?

Question 46
46.

Which group mainly contains metals on the periodic table?

Question 47
47.

What characteristic do nonmetals generally lack?

Question 48
48.

Which element is an example of a metalloid?

Question 49
49.

Which property is typical of metals?

Question 50
50.

Which element is a metal?

Question 51
51.

Which is a characteristic of nonmetals?

Question 52
52.

What do metalloids typically exhibit?

Question 53
53.

Which element is a metalloid?

Question 54
54.

What property makes metals easily shaped into sheets?

Question 55
55.

Which element is known for its high malleability?

Question 56
56.

What is a characteristic of malleable materials?

Question 57
57.

Why are malleable materials useful in construction?

Question 58
58.

What does it mean if a metal is ductile?

Question 59
59.

Which metal is known for its ductility?

Question 60
60.

How does ductility relate to metals' properties?

Question 61
61.

Why is ductility important for engineers?

Question 62
62.

What defines an isotope of an element?

Question 63
63.

How do elements differ from their isotopes?

Question 64
64.

What is the mass number of an isotope?

Question 65
65.

How does atomic number relate to isotopes?

Question 66
66.

What is the center of an atom called?

Question 67
67.

Which subatomic particle has a negative charge?

Question 68
68.

Elements are arranged by what property in the periodic table?

Question 69
69.

What do you call atoms of the same element?

Question 70
70.

What defines an isotope of an element?

Question 71
71.

What is an example of an isotope?

Question 72
72.

What does the atomic number represent on the periodic table?

Question 73
73.

Which group contains noble gases on the periodic table?

Question 74
74.

What is the general trend for reactivity in Group 1?

Question 75
75.

What part of an atom is found in the nucleus?

Question 76
76.

Why do noble gases not react easily?

Question 77
77.

Which of these elements is a metal?

Question 78
78.

Which element is found in Group 1 of the periodic table?

Question 79
79.

What do periods in the periodic table indicate?

Question 80
80.

Which element has the chemical symbol 'Fe'?

Question 81
81.

What does the atomic number represent in an element?

Question 82
82.

Which group contains noble gases on the periodic table?

Question 83
83.

Where are metals typically found on the periodic table?