All About Atoms
The basic building block of matter
What is an atom?
What is an element?
characteristic of matter that you can observe or measure without changing the identity of matter
What is a physical property?
a mixture that is the same throughout ; a mixture that is easily separated into parts
put your responses in the correct order
What is a homogenous mixture? ; What is a heterogenous mixture?
solid, liquid, gas
What are the 3 states of matter?
Air contains the highest percentage of this atom
What are nitrogen atoms?
The periodic table is made up of 118 of these ; 92 are natural, 26 are man-made
What are elements?
characteristic of matter in which the substances that make up the matter change into another substance that have new physical and chemical properties
What is a chemical property?
a special type of homogenous mixture; blended evenly throughout
What is a solution?
anything that has mass and takes up space
What is matter?
negatively charged particles that orbit an atom
What are electrons?
the chart of elements arranged in rows and columns according to their chemical and physical properties
What is the periodic table?
the physical property used to describe an ice cube (solid) changing into drinking water (liquid)
What is melting point?
Lucky charms is an example of this
What is a heterogenous mixture?
matter that is made up of one type of atom or one type of molecule only
What is a pure substance?
this structure is home to protons and neutrons
What is the nucleus?
largest family on the periodic table ; groups 3-12
What are the transition metals?
getting a hair cut is an example of this
What is a physical change?
hot chocolate is an example of this
What is a homogenous mixture/solution?
all matter is made up of
What are atoms and molecules?
varying the number of neutrons in an atom
What is an isotope?
Russian chemist credited with the original creation of the periodic table in the mid 1800s
Who is Dimitri Mendeleev?
frying an egg is an example of this
What is a chemical change?
oxygen dissolving in water, an essential component of how fish breathe, is an example of this
What is a solution?
water, known as H20, is an example of this
What is a compound?