The Periodic Table
Bonding
Scientific Data
Nomenclature/Electrons
Isotopes
Misc.
100

What does the atomic number tell us?

The number of protons in the nucleus.

100

Ionic bonds are formed through the ______ of electrons, while covalent bonds are formed through the ______ of electrons.

transfer, sharing

100

What is the correct measurement of the volume of liquid picturesd?

21.5

100

Write the formula for iron (II) sulfite

FeSO3

100

How many neutrons are in 14761Pm?

86

100

When heating a test tube, where should the opening of the test tube be pointed?

Away from all humans.

200

The mass number is equal to _____ + _____.

protons + neutrons

200

An atom becomes a negative ion by (gaining/losing) electrons.

gaining
200

The accepted temperature of a substance is 38 °C. The following data is collected in the lab: This data (is/is not) precise; This data (is/is not) accurate.

The data is accurate but not precise.

200

What is the name of PCl3?

phosphorus trichloride

200

One atom has 20 protons, 19 neutrons, and 20 electrons. Another atom has 20 protons, 21 neutrons, and 20 electrons. Are these atoms isotopes or ions of the same element?

Isotopes

200

Rank the following four elements in order of increasing electronegativity: Be, C, Li, O

Li, Be, C, O

300

(Metals/nonmetals) are on the right side of the periodic table.

Metals

300

What is the molecular geometry of water?

bent

300

Calculate the density of substance C in g/L.

4.3 g/L

300

What is the name of NH4(NO3)?

ammonium nitrate

300

Boron has two isotopes. B-11 is 80.2% abundant. What is the abundance of the other isotope, B-10?

19.8%

300

Rank the following elements in order of increasing atomic radius: Si, Pb, C

C, Si, Pb

400

Elements A, B, and C have consecutive atomic numbers. If element C is a noble gas, what would the charge for an ion of element A be?

-2

400

Which of these is covalently bonded?
a) lithium phosphate
b) sulfur trioxide
c) sodium nitride
d) magnesium sulfate

b) sulfur trioxide

400

A beaker contained 36 mL of water; 5.2 mL was poured out, then another 14.44 mL was added. What is the final volume of water in the beaker? Be sure to report your answer to the correct number of significant figures.

45 mL

400

How many valence electrons does neutral phosphorus have?

5

400

Silicon has three naturally occurring isotopes. Use the table below to calculate the average atomic mass for silicon.

28.11 amu

400

Ionization energy follows the same trend as...

electronegativity

500

This diagram shows a small portion of the periodic table. Which element has one less proton than X?

3

500

Which of these contains ionic and covalent bonds?
a) CO2
b) H2O
c) NaCl
d) Zn(NO3)2

d) Zn(NO3)2

500

How many significant figures are in the number 0.07301000?

7

500

When an atom becomes a positive ion, it becomes (larger/smaller).

smaller

500

A 600 g sample has a half life of 1.5 minutes. What mass of the sample remains after 4.5 minutes?

75 g

500

What is the molar mass of ZnCO3?

125.4 g/mol