2. 100 Subatomic Bomb 400 300 200 500 100 Metrically Dense 400 300 200 500 100 I can count. 400 300 200 500 100 Wildcard 400 300 200 500 100 Go Isotopes! 400 300 200 500

3. Column 1, 100 What subatomic particles are located in the nucleus of an atom?

4. Column 1, 200 Atomic number is always the same as the number of what subatomic particles?

5. Column 1, 300 A calcium ion has 18 electrons, what is its charge and what kind of ion is it?

6. Column 1, 400 How many protons and electrons are in the following ion? Se 2-

7. Column1, 500 How many protons and electrons are in the following ion? Fe 3+

8. Column 2, 100 The most appropriate metric unit to measure the mass of your lab partner is this.

9. Column 2, 200 How many meters are equivalent to 2.74 kilometers?

10. Column 2, 300 What is the mass in grams of a 2000 mL block of ice? Ice has a density of 0.917 g/mL.

11. Column 2, 400 A sample of salt, with density 2.16 g/mL has a mass of 78.55 grams; how much space does it occupy?

12. Column 2, 500 1 student = 0.25 backpacks 5 pencils = 8 binders 16 pens = 4 backpacks How many pens are there in a school with 75 students?

13. Column 3, 100 How many total atoms are present in 7NH 3 ?

14. Column 3, 200 How many molecules are present in 3Mg(OH) 2 ?

15. Column 3, 300 How many atoms of oxygen are shown in the formula, 4Al 2 (CO 3 ) 3 ?

16. Column 3, 400 The number 3 in the following chemical formula is known as this: 3MnSO 4

17. Column 3, 500 Strontium-86 contains this many protons and neutrons.

18. Column 4, 100 Atoms that move or act together as a single entity are called this.

19. Column 4, 200 Two atoms of the same element with different numbers of neutrons are referred to as this.

20. Column 4, 300 What is a metalloid?

21. Column 4, 400 This determines an atom’s identity.

22. Column 4, 500 List 3 properties of metals.

23. Column 5, 100 Isotopes of the same element have a different number of what subatomic particles?

24. Column 5, 200 This is why electrons are not counted in the mass number.

25. Column 5, 300 How many neutrons are in an isotope of lead-209?

26. Column 5, 400 How many protons and neutrons are found in an isotope of 235 U? 92

27. Column 5, 500 How many more neutrons are found in the nucleus of an iron atom with a mass number 56 than in the nucleus of a calcium atom with a mass number 40?