Question | Answer |
Elements in periodic table are arranged by _______________. | Atomic Number
|
What is the name of the scientist that came up with the concept of a periodic table that included all the known elements?2 | Dmitri Mendeleev2
| For an object to be considered matter it must consist of __________ and _________.3 | Mass and volume3
| The simplest form of matter is called a/an what?4 | Element4
| Characteristics that can be observed or measured with out changing the composition of a substance is known as a what?5 | Physical Property5
| What is the name of the rule that states that matter is neither created nor destroyed?6 | Law of Conservation of Matter6
| Matter has 2 major divisions. What are these 2 divisions? (Hint:chex mix and Gold are an example of each)7 | Mixtures and Substances7
| What is the name of the phase change when a substances changes from a liquid to a gas?8 | Evaporation8
| Which phase of matter has a definite volume but no definite shape?9 | Liquid9
| The amount of space an object occupies is known as what?10 | Volume10
| What is the name of the group that Sodium (Na) belongs to?11 | Alkali Metals11
| What is the chemical symbol for copper?12 | Cu12
| The atomic number of an atom is the number of ____________ it has.13 | Protons13
| The atomic mass of an element is equal to the sum of what 2 subatomic particles?14 | Protons and Neutrons14
| The phase change of a solid to a gas is called what?15 | Sublimation15
| When a substance undergoes a change of composition to form one or more new substances, a _____________ has occured.16 | Chemical Change16
| What type of mixture is not uniform in composition; its components are readily distinguish?17 | Heterogeneous Mixture17
| What equals the mass of an object divided by the volume of the object?18 | Density18
| What is the name of the force that keeps boats a float and from sinking?19 | Buoyancy Force19
| What type of mixture is uniform throughout?20 | Homogeneous Mixture20
| What color is the sky?21 | Blue21
| Fun Fact: Today is lets hug day! BUT NOT NOW!!!22 | 22 |