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QR Challenge: Periodic Table and Matter Hunt

QuestionAnswer
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?2Dmitri Mendeleev2
For an object to be considered matter it must consist of __________ and _________.3Mass and volume3
The simplest form of matter is called a/an what?4Element4
Characteristics that can be observed or measured with out changing the composition of a substance is known as a what?5Physical Property5
What is the name of the rule that states that matter is neither created nor destroyed?6Law of Conservation of Matter6
Matter has 2 major divisions. What are these 2 divisions? (Hint:chex mix and Gold are an example of each)7Mixtures and Substances7
What is the name of the phase change when a substances changes from a liquid to a gas?8Evaporation8
Which phase of matter has a definite volume but no definite shape?9Liquid9
The amount of space an object occupies is known as what?10Volume10
What is the name of the group that Sodium (Na) belongs to?11Alkali Metals11
What is the chemical symbol for copper?12Cu12
The atomic number of an atom is the number of ____________ it has.13Protons13
The atomic mass of an element is equal to the sum of what 2 subatomic particles?14Protons and Neutrons14
The phase change of a solid to a gas is called what?15Sublimation15
When a substance undergoes a change of composition to form one or more new substances, a _____________ has occured.16Chemical Change16
What type of mixture is not uniform in composition; its components are readily distinguish?17Heterogeneous Mixture17
What equals the mass of an object divided by the volume of the object?18Density18
What is the name of the force that keeps boats a float and from sinking?19Buoyancy Force19
What type of mixture is uniform throughout?20Homogeneous Mixture20
What color is the sky?21Blue21
Fun Fact: Today is lets hug day! BUT NOT NOW!!!2222

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