Q 26-30
Q 31-35
Q 36-40
Q 41-45
Q 46-50
100
26. What are the 2 major bonding types discussed in class?
What is ionic, covalent
100
31. How many valence electrons are in Arsenic?
What is 5
100
36. What is the mass number of an element with 25 protons, 26 neutrons, and 25 electrons?
What is 51
100
41. How do we find the number of electron shells an atom has by looking at the periodic table? How many does bromine have?
What is the number of shells is the same as the row it is in. 4.
100
46. Why don’t we build a house of sugar, but one with aluminum siding?
What is the solubility of sugar
200
27. Where are the most reactive elements on the periodic table (hint: two spots).
What is lower left, upper right.
200
32. Of the four bonding types, which conduct electricity?
What is ionic, metallic
200
37. What is the smallest part of an element that still has the properties of that element?
What is an atom
200
42. What does aqueous mean?
What is dissolved in water
200
47. Why are diamonds and graphite so different despite being made of pure carbon?
What is the shape of their crystals (how they are bonded)
300
28. Where do you find protons, neutrons, and electrons in an atom?
What is protons and neutrons in the nucleus. Electrons orbiting around the nucleus (in a cloud)
300
33. If an element has 19 protons and a mass of 39, how many neutrons does it have?
What is 20
300
38. According to HONC 1234 how many bonds can carbon make? How many can oxygen make?
What is carbon-4 Oxygen-2
300
43. When oxygen forms an ion, what is its charge?
What is +2
300
48. What’s the difference between valence electrons and core electrons?
What is valence are in the outer shell, core are in the inner shells.
400
29. What is the definition of matter?
What is anything that has mass and takes up space.
400
34. Explain why the average atomic mass leans towards one isotope over another (for instance Lithium’s is 6.94).
What is because it is the most abundant or prevalent
400
39. Why do scientists use models?
Answers vary
400
44. What does the bonding in an atom?
What is the electrons
400
49. Draw an energy chain showing the start and end of an earthquake.
answers vary
500
30. In an ionic compound, what is the overall charge?
What is zero charge
500
35. The atomic number is always equal to the number of _________________.
What is protons
500
40. In the newest model of an atom, where are the electrons?
What is orbiting (in a cloud) outside of the nucleus.
500
45. What type of bond is between metals only? What type of bond is between metals and nonmetals?
What is M+M=metallic, M+NM= ionic
500
50. What type of rock comes from magma?
What is Igneous.
M
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