Intro to Chem Unit 3-4
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| A certain substance contains all boron atoms. What type of substance is it? | Element | ||||
| Sodium chloride has chemical and physical properties that are half way between the properties of sodium and chlorine. True or False? | (False. Sodium chloride is a new substance with properties that are different from those of the constituent elements.) | ||||
| How many sulfur atoms are in a molecule of S(8)? | 8 | ||||
| What type of substance is ice that is made from pure water? | Compound | ||||
| What is the symbol for sulfur? | S | ||||
| Fill in the blank: Be, Mg, Ca, Sr, Ba and Ra are in the same periodic _______. | Group | ||||
| How many sulfur atoms are in a molecule of SO2 ? | 1 | ||||
| Give the symbol for sodium. | Na | ||||
| Lithium (Li) and Potassium (K) react with water to generate hydrogen gas. What gas would you expect sodium (Na) to generate when it is mixed with water? | Hydrogen Gas. | ||||
| Photons of visible light have greater energy than x-rays. True or False? | False. | ||||
| What type of orbital has a "dumbell" shape? | p | ||||
| What type of orbital has a spherical shape? | s | ||||
| Which orbital is largest? | 4s | ||||
| Which orbital is smallest? | 1s | ||||
| Convert the following number to scientific notation: 0.000567 | 5.67*10-4 | ||||
| Which has the least mass? | electron |
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Created by:
Flick09
on 2010-10-12