Log in
Sign up for FREE
arrow_back
Library

Chapter 2.1 Atoms, Ions and Molecules pgs 34-39

star
star
star
star
star
Last updated over 6 years ago
46 questions
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.

LastName First Name

Question 2
2.

Class Period: A1 A2 A4 A5 A6 A7 A8

Question 3
3.

Fill in the missing words on the 5 Principles of the Atomic Theory:
1. Every element is made of ___________ (5 letter word - not capitalized, must be spelled correctly to receive credit)

Question 4
4.

Fill in the missing words on the 5 Principles of the Atomic Theory:
2. All atoms of any element are the _____ (4 letter word - not capitalized, must be spelled correctly to receive credit)

Question 5
5.

Fill in the missing words on the 5 Principles of the Atomic Theory:
3. Atoms of different elements can combine to form ___________ (9 letter word - not capitalized, must be spelled correctly to receive credit)

Question 6
6.

Fill in the missing words on the 5 Principles of the Atomic Theory:
4. _______ are not made, destroyed, or changed in chemical reactions (5 letter word - not capitalized, must be spelled correctly to receive credit)

Question 7
7.

Fill in the missing words on the 5 Principles of the Atomic Theory:
5. The number and kinds of _______ remain the _____ in a compound. (5 letter word/4 letter word - put one space between the two words, not capitalized, must be spelled correctly to receive credit)


Question 8
8.

Use the above Venn diagram to answer the question, "Is an "atom" (B) part of an "element" (A) or is an "element" (B) part of an "atom"? Match up the word "atom" and "element" to show their relationship.
A= __________and B=______________ (type word correctly with only one space between each to receive credit, do not capitalize)

Question 9
9.

Rutherford is given credit for discovering the nucleus of an atom. The nucleus is composed of

Question 10
10.

Protons have a ______________charge.

Question 11
11.

Neutrons have a ______________charge.

Question 12
12.

Thompson was given credit for discoving electrons inside an atom. Electrons have a ______________charge.

Question 13
13.

An element is an element based on the number of _________________.

Question 14
14.

Discovered by Chadwick, neutrons usually are equal in number with the number of ______________in an atom.

Question 15
15.

In comparison with the size of protons and neutrons, electrons are

Question 16
16.

Electrons are located outside the nucleus in orbitals called shells.

Question 17
17.

The first obital/shell of an atom can hold up to _____________electrons.

Question 18
18.

The second obital of an atom can hold up to _____________electrons.

Question 19
19.

The number of valence electrons determines the

Question 20
20.

If needed, refer to a Periodic Table to help you with this question. How many more electrons could fit in the 2nd orbital shell of oxygen?

Question 21
21.

An atom is most stable when its outer shell only has half the valence electrons in it.

Question 22
22.

96% of the human body consists of these four elements:

Question 23
23.

The remaining 4% of a human's body consists of these seven elements:

Question 24
24.

Practice reading a Periodic Table. Hydrogen's atomic symbol is H, atomic mass is 1.008, atomic number 1, # of protons 1, # of neutrons 0, # of electrons 1, and is located in Group 1, Period 1.

Question 25
25.

Practice reading a Periodic Table. Helium's atomic symbol is He, atomic mass is 4.0026, atomic number 2, # of protons 2, # of neutrons 2, # of electrons 2, and is located in Group 13, Period 1.

Question 26
26.

Practice reading a Periodic Table. Neon's atomic symbol is Ne, atomic mass is 20.180, atomic number 10 meaning that Neon has the exact same number of 10 protons, 10 neutrons, and 10 electrons. Neon is located in Group 2, Period 2.

Question 27
27.

Practice reading a Periodic Table. Iron's atomic symbol is Fe and its atomic mass is 26 meaning that it has 26 protons, 26 neutrons, and 26 electrons.

Question 28
28.

Practice reading a Periodic Table. Sodium's atomic symbol is S and its atomic number is 11. It is located in Group 1 and Period 3.

Question 29
29.

Practice reading a Periodic Table. Carbon - the element of life - has an atomic symbol C, atomic mass 12.011, and atomic number 6. It has 4 empty spaces in its valence electron shell. It is located in Group 14, Period 2.

Question 30
30.

Practice reading a Periodic Table. Columns on the periodic table tell you how many valence electrons are in the outer shell of the element. Group 18, also known as the Nobel Gases, all have ________________

Question 31
31.

Practice reading a Periodic Table. The rows, called periods, tells you that all the elements on that row have the same number of shells. All the elements on the same row as Carbon have 2 shells.

Question 32
32.

Select the correct word that matches this definition:
atoms held together by covalent bonds, sharing a pair of electrons

Question 33
33.

Select the correct word that matches this definition:
composed of the same type of atoms

Question 34
34.

Select the correct word that matches this definition:
an atom that has gained or lost at least one electron

Question 35
35.

Select the correct word that matches this definition:
composed of at least two different types of atoms

Question 36
36.

If an atom has lost an electron, then it has an extra __________________making the ion _____________ because the numbers of electrons and protons aren't equal anymore.

Question 37
37.

If an atom has gained an electron, then it has an extra __________________making the ion _____________ because the numbers of electrons and protons aren't equal anymore.

Question 38
38.

Mg+4 would indicate that magnesium has lost 4 electrons.

Question 39
39.

Cl- would indicate that chlorine has gained one extra electron.

Go to classzone.com, Animated Biology, Unit 1, Chapter 2, and go through the "Atoms and Bonding".
Question 40
40.

What are the three examples of molecules used to show covalent bonding?

Question 41
41.

How many electrons end up in the outer shells of these examples of covalent bonding?

Question 42
42.

Which of the three molecules are also compound(s)?

Question 43
43.

At the same animation there is also an example of ionic bonding. What is the common household compound used as an example of ionic bonding?

Question 44
44.

When an element loses an electron, the element becomes a _______________ion

Question 45
45.

When an element gaines an electron, the element becomes a _______________ion

Question 46
46.

Negative and positive ions are attracted to each other and consequently work well as mediums for conducting electricity.

Practice making any of the elements that have atomic numbers 1 through 24 using the game pieces provided at the lab stations. Once you feel confident you can draw an element and show the correct number of protons, neutrons, and electrons it has and place them in the nucleus and correct orbitals, check with me to get your "assessment" for Chapter 2.1 - Drawing and labelling an atom.