1. These are located within the nucleus of an atom.
What are protons and neutrons?
100
6. The rows within the Periodic Table are called this, and tell us the number of shells an element has.
What are periods?
100
11. All metals within the periodic table are found here.
What is left of the metalloids?
100
16. This one word could be used to describe the difference between mass and weight.
What is gravity?
100
21. If an element has a atomic number of 5 it also has this many protons.
What is 5?
200
2. These are the charges of protons, neutrons and electrons.
What are positive, no charge or neutral, and negative?
200
7. The columns of a periodic table are called this and indicate how many valence electrons an atom has.
What are the groups or families?
200
12. This group of elements are the most reactive metals found on the periodic table.
What are the alkali metals.
200
17. This is another word for the ability of an element to transfer electricity or heat.
What is conductivity?
200
22. Elements within the same column of the periodic table have these two general things in common.
What are chemical and physical characteristics?
300
3. This is the smallest particle of an element.
What is an atom?
300
8. The atomic number tells us this about the protons and electrons within an atom.
What is how many there are?
300
13. This group of elements shares physical and chemical characteristics with metals and nonmetals.
What are the metalloids?
300
18. How much mass in a given volume is also called this.
What is density?
300
23. When an atom looses an electron it now has this charge.
What is a positive charge?
400
4. When an atom has a neutral charge, it must have equal number of these.
What is an equal number of protons and electrons?
400
9. The group number also tells us whether or not an atom will give, take or share electrons. Atoms which do this, and change their charge, are called this.
What is an ion?
400
14. This group includes fluorine, iodine, chlorine and bromine.
What are the halogens?
400
19. The ability of something to dissolve is this type of property.
What is a physical property?
400
24. This is the largest group in the periodic table.
What are the transition metals?
500
5. You must do this to determine the number of neutrons within an atom.
What is subtract the number of protons from the atomic mass?
500
10. Originally, the periodic table was arranged using this characteristic.
What is the Atomic Mass?
500
15. This is the most nonreactive group of elements in the whole periodic table.
What are the noble gasses?
500
20.
**DAILY DOUBLE**
In chemical reactions one or more of these observations may be made, unlike in physical changes.
What are light, heat, fizzing and gas production.
500
25. Tarnishing and oxidation are examples of this sort of change.