1. What are the elements falls under Group IA in the periodic table?
ANSWER: Alkali Metals
2. What are the elements falls under Group 2A in the periodic table?
ANSWER: Alkaline Earth Metals
3. What are the elements falls under Group 3A in the periodic table?
ANSWER: Boron Family
4. What are the elements falls under Group 4A in the periodic table?
ANSWER: Carbon Family
5. What are the elements falls under Group 5A in the periodic table?
ANSWER: Nitrogen Family
6. What are the elements falls under Group 6A in the periodic table?
ANSWER: Oxygen Family
7. What are the elements falls under Group 0 in the periodic table?
ANSWER: Inert/ Noble Gases
8. Metalloids have a valence of
ANSWER: 4
9. What is the atomic number of oxygen?
ANSWER: 8
10. What element that has 3 protons?
ANSWER: Lithium
11. What element will you combine with alkali metals to form salts?
ANSWER: Chlorine
12. What is the most common alloying ingredient in copper?
ANSWER: Zinc
13. What is the most electronegative element?
ANSWER: Fluorine
14. What is the most abundant metal in the earth’s surface?
ANSWER: Aluminum
15. What element in which has the lowest boiling point?
ANSWER: Mercury
16. It is a greenish-yellow halogen gas.
ANSWER: Chlorine
17. What do you call the bluish-black substance in which, when burned, it will produce purple fumes?
ANSWER: Iodine
18. What do you call a nuclei that has same number of Atomic number but has different Atomic weight?
ANSWER: Isotopes
19. When Hydrogen melts in the sun, it is converted to Helium and produces light in the sun
ANSWER: Fusion
20. When a solid has a crystalline structure, the atoms arranged in repeating structure is called
ANSWER: unit cell
21. What crystalline structure that has coordination number of 12?
ANSWER: Face-centered cubic
22. What crystalline structure that has a coordination number of 8?
ANSWER: Body-centered cubic
23. What crystalline structure that has a packing factor of 0.52?
ANSWER: simple cubic
24. What crystalline structure that has a packing factor of 0.74
ANSWER: Face-centered cubic
25. Chromium has a body-centered cubic crystalline structure
ANSWER: Face-centered cubic
26. It shows each atom and ion with repeating structure in the crystalline
ANSWER: non-Bravais lattice
27. What do you call the distinct pattern in the space which the atoms of metal arranged themselves when they combine to produce a substance of recognizable size?
ANSWER: Space Lattice
28. The Lanthanides were once called as _____________.
ANSWER: rare earth
29. Alkali solutions are also called
ANSWER: Hydroxides
30. Compounds containing halogen and another element (except oxygen) are called _____________.
ANSWER: Halides
Informative article for a chemistry student. Such articles increase learning and understanding. Keep up the good wok and keep us updated.
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