Introductory Chemistry Terms
Chem 400
Nuss
1
Name:________________________
Lab Section: 1 2 3 4 5 6
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
19
18
20
21
22
23
24
25
26
27
28
Across
5. a neutral uncharged subatomic particle
6. a property that is dependent on the sample size
7. the smallest particle that retains the chemical
properties of the element
9. a property that is independent of the sample
size
10. matter that is made up of only one kind of
atom
11. a tentative explanation derived from
experimental observations
14. a charged atom or group of atoms
16. the name of the group 8A elements
17. a mixture in which the properties vary from
one region to the next
20. a horizontal row on the periodic table
21. the name of the group 7A elements
23. a consistent explanation of known
observations that has been verified at some level
25. a relationship that is always the same under
the same conditions
26. the name of the group 2 elements
27. atoms with the same atomic number but
different mass numbers
28. matter that is composed of two or more kinds
of atoms combined in definite proportions
Down
1. general name for a positively charged ion
2. mass per unit volume
3. a positively charged subatomic particle
4. a mixture in which the properties are uniform
throughout
8. the smallest unit of matter that results when
two or more atoms are joined by covalent bonds
12. a tiny negatively charged subatomic particle
13. a fortunate discovery made by accident.
15. a substance that is a poor conductor of
electricity and forms anions
18. a vertical column on the periodic table
19. a substance that is malleable, ductile, and
forms cations
22. the name of the group 1A elements
24. general name for a negatively charged ion