Atoms
Atoms with the same number of protons, but different number of neutrons.
What type of chemist would study alcohols, which consist of carbon, hydrogen, and oxygen?
What is an organic chemist
Freezing of a liquid?
What is the atomic symbol for Carbon?
What is C.
Convert 5.2 m to centimeters
What is 520 cm
Number of which type of particle identifies an atom as a given element.
What is a proton
Who developed the atomic theory of matter?
Who is John Dalton.
Charcoal burning?
What is chemical change.
What is the atomic symbol for Magnesium?
What is Mg.
How many lux (lx) are in 1 Mlx?
What is 1,000,000.
Which subatomic particle is NOT found in the nucleus of an atom?
What is an electron.
Is apple juice a homogeneous or heterogeneous mixture?
What is homogeneous.
Sugar dissolving in coffee?
What is physical change.
What is the atomic symbol for Sodium?
What is Na.
According to Sig Figs, what should the answer to problem 17.81 + 45.20 + 60.0077 be rounded?
What is 123.12
What is the relative charge of an electron?
What is -1.
Convert 100.00 degrees C to Kelvins
What is 373.15 K
eggs cooking?
What is the atomic symbol for Potassium?
What is K.
Convert 0.00314 to standard scientific notation.
What is 3.14 x 10-3
A neutral gold atom has an atomic number of 79 and a mass number of 191. How many protons, neutrons, and electrons does it have?
What is 79 protons, 112 neutrons, and 79 electrons.
Explain why a liquid becomes a gas at the boiling point.
The kinetic energy of the particles is great enough to overcome their attraction for each other.
If something is combustible, is it an example of a chemical or physical property?
What is chemical property.
What is the atomic symbol for Silver?
What is Ag.
What is one billionth (10 -9) of a tesla?
What is nanotesla.