Exam quiz

What is this element for this electron configuration

Who designed the cathode ray tube in the late 1800’s?

Brass is a compund

which is a physical property

how many sigfigs should this answer have?

Something goes from gas to a solid

the temperature by which a element melts, is a chemical property .

What is the element for this electron configuration

which is a chemical property

air is a mixture

what is a isotope

hydrogen is a non-metal in group 1A

name this highlighted group

name this circled group

Inorganic chemistry study all the elements on the periodic table

Something that goes from a solid to a gas is called:

This is a compound

this is a chemical property: greenish color Change

this is a physical property: Odorless

apple juice is a mixture

which area in chemistry involves the study of carbon compounds

what metal is a liquid?

what is the mass number of a cobalt atom that has 31 neutrons

what area in chemistry focusses on thermodynamics and quantum mechanics using the principle of physics

What is this element for this electron configuration

The atomic number is equal to the amount of electrons in a neutral atom

Hydrogen is a alkali metal

Something goes from gas to a liquid

This is an element

water is a element

which area in chemistry involves the methods for detecting compounds?

name this highlighted group

Who designed the gold foil experiment ?

What is this element for this electron configuration

Calculate the number of neutrons in Sodium with a mass number of 30