Isotopes
Isotopes occur when which subatomic particle varies?
What is neutrons
A mixture with distinct layers is called what?
What is heterogeneous mixture?
Put the electromagnetic spectrum in order from lowest to highest frequency.
Radio waves, microwaves, infrared, visible light, ultraviolet light, x rays, and gamma rays
Density is which type of property of matter
What is physical property
Any change that does change the identity of the observed substance? Physical or chemical
What is chemical
How many protons does Lithium-7 have
What is 3 electrons
A pure substance that cannot be broken down into simpler substances:
What is an element
What is the electron configuration of Cobalt?
1s22s2p63s23p64s23d104p6
A type of physical property which depends on the amount, shape, or size of an observed substance. Either extensive or intensive
What is extensive properties
Identify the following change as either physical or chemical: Cutting an object in half
What is physical change
How many neutrons are there in C-14? (C is for Carbon)
What is 8 neutrons
What type of matter would Kool-aid be classified as?
What is a homogeneous mixture
How many centimeters are in 3 meters?
What is 300 cm
Any property which can only be observed by changing the original substance into a new substance(s)
What is chemical property
Identify the following change as either physical or chemical: Sodium metal reacts violently with water
What is chemical change
An atom has 4 neutrons, 5 protons, and 4 electrons. What is its mass number?
What is 9 ?
What type of matter would Italian dressing be classified as?
What is heterogeneous mixture
What is the relationship between wavelength and frequency?
Inverse
Identify the following physical property as either extensive or intensive: Shape
What is extensive
Any change that does NOT change the identity of the observed substance.
What is physical change
What is the mass number of a boron atom that has 6 neutrons?
What is Boron-11
A combination of two or more substances that can be separated by physical means
What is a mixture
What is it called when a solid goes straight to a gas without going through a liquid?
What is sublimination
Identify the following physical property as either extensive or intensive: Boiling point
What is intensive property
Identify the following change as either physical or chemical: a nail rusting
What is chemical change