White Chemistry Semester 1 final

In the modern periodic table, elements are arranged according to

wavelength of radio waves that have a frequency of 88.5 MHz? (λ = 3x10⁸m/s / v) (Mega = 10⁶)

How many neutrons are in an atom of tin that has an atomic number of 50 and a mass of 119?

What is the mass of 1.50 mol of sodium, Na? (mass= mol x g/mol )

Which electron configuration is NOT correct?

Which particle has the least mass?

A measurement of 23,465 mg converted to grams equals

How many moles of carbon are in a 28.0 g sample? (mole = mass x mole/gram)

Magnesium + Hydrochloric acid ---> Magnesium chloride and Hydrogen gas. Which is the reactants

Which molecule contains a double bond?

The atomic number of an element is the same as the number of

The accuracy of a measurement

Matter can be defined as anything that

Which of the following is not part of the scientific method?

What is the maximum number of unpaired electrons that can be placed in 3p sublevel?

3 of the following must contain 2 or more kinds of atoms. Which one does NOT contain 2 or more

The energy of a photon is greatest for

Which of the following is NOT a physical state of matter?

Which of the following is best classified as a homogeneous mixture?

Which subatomic particle has a charge of + 1?

Which of the following elements has the highest electronegativity?

A great electrical conductor and is malleable. What type of chemical bonding will it have?

Group 17 elements, the halogens, are the most reactive nonmetal elements because they

A metal sample has a mass of 45.65 g. The volume is 16.9 cm³. The density is ___. (D=m/v)

The Lewis structure of HCN contains

A chemical bond results from the mutual attraction of the nuclei for

Matter that has a definite shape and a definite volume is __.

A chemical compound always has the same elements in the same proportions by mass. This is the

A polar covalent bond is likely to form between two atoms that

Which two elements are more likely to have the same charge on their ions?

Which of the following measurements contains 3 significant figures?

According to VSEPR theory, the molecular geometry of CH₃ ⁺ is

What is the maximum number of electrons that can occupy a 3s orbit?

Which element has the noble-gas notation [Kr]5s²4d²

Which of the following symbols does NOT match the element given?