chem quiz의 복사본

What is group 1 of the period table called?

What is a common polyatomic cation?

On the periodic table, metals are located ______ the staircase.

What is the chemical formula of Triphosphorus Tetraoxide

What is the general equation for average atomic mass?

The experiment carried out by Ernest Rutherford is called:

What group are the Halogens found in?

In the chemical formula of an ionic compound, the ANION comes first.

What is the chemical formula for dihydrogen phosphate?

Nonmetals usually form anions, not cations.

What is not part of modern atomic theory?

Carbon has 4 valence eletrons. Carbon can form ionic bond.

What does the greek prefix hepta mean?

What is the chemical formula for sulfate?

Name the acid. H2SO4

Periodic table is invented by

What device can be used to calculate the relative atomic mass of an individual atom?

A positively-charged particle is called...

The Greek prefix for 6, as used in chemistry, is...

What is the formula for the polyatomic ion: hydroxide?

Metalloids are elements that have a combination of metal and nonmetal properties.

Avogadro's number is the same as a mole.

What is the name of CO3^2-

Who made the initial atomic theory?

(HARD LEVEL) The mass of an electron is..

Nickel has an atomic mass of 58.59. Which isotope of Nickel has the greatest abundance?

What are positively-charged ions called?

Nuclear symbols (isotope notation) is most often used to...

The Gold Foil Experiment utilized...

Are you going to do well on your test this week? :D

Element X has 2 isotopes. X-25 with 40% abundunce and X-20 with 60% abundunce. What is avg atomic mass?

The experiment carried out by Ernest Rutherford is called:

Who was the student of JJ Thomson?

Noble gases are best known for being...

Who conducted the Gold Foil Experiment?

A proton is a(n)...

Ionic compounds are created through...

What is the mass number?

The defining characteristic of an element is...

What is the value of Avogadro's number?

What is not nonmetal?

Boron has 5 neutrons and 5 protons. What is the mass number of Boron?

Which one is the lightest component of an atom?

What holds a molecule together?

A neutron has a mass of approximately...

Boron has an atomic number of 5. How many protons are there?

Helium is a(n)...

Ionic compounds are ALWAYS neutral.