Periodic Table Basics

1.

1 point

Which of the following elements is most like lead?

thallium

calcium

bismuth

tin

2.

1 point

Which element is located in group 7, period 4?

Mn

Rf

Tc

Re

3.

1 point

What is the name of the elements in Group 2 of the periodic table?

boron family

alkali metals

alkaline earth metals

halogens

4.

1 point

In what ratio will an alkali metal combine with sulfur?

1:2

1:1

2:3

2:1

5.

1 point

Which of the following would be the best for conducting electricity?

astatine

phosphorus

oxygen

copper

6.

1 point

The most reactive metal on the table is

lithium

francium

fluorine

rubidium

7.

1 point

Which statement is true about nitrogen?

Nitrogen is in group 15, has 7 protons, 7 electrons, 7 neutrons, and 5 valence electrons.

Nitrogen is in group 15, has 7 protons, 8 neutrons, 14 electrons, and 3 valence electrons.

Nitrogen is in group 2, has 7 protons, 7 electrons, 7 neutrons, and 7 valence electrons.

Nitrogen is in group 2, has 7 protons, 7 electrons, 7 neutrons, and 3 valence electrons.

8.

1 point

Which of the following elements is most likely to have properties similar to calcium?

potassium

bromine

magnesium

scandium

9.

1 point

An element in the alkaline earth family is most likely to combine with

an alkali metal

a halogen

a noble gas

an oxygen group member

10.

1 point

An electron dot diagram shows

the number of electrons an element has

the number of neutrons an element has

the number of protons and element has

the number of valence electrons an element has

11.

1 point

Describe an atom of phosphorous.

15 protons, 16 neutrons, 15 electrons

14 protons, 15 neutrons, 16 electrons

16 protons, 15 neutrons, 16 electrons

15 protons, 15 neutrons, 15 electrons

12.

1 point

A chemist performed a series of experiments on an element and found that it did not react with any other element. The element was most likely

a noble gas

an alkali metal

a halogen

an alkaline earth metal

13.

1 point

Elements in Groups 3 through 12 of the periodic table are called ___.

noble gases

transition elements

representative elements

halogens

14.

1 point

Several groups contain only metals. Which group contains only nonmetals?

group 18

group 1

group 2

group 12

15.

1 point

Which of the following elements is the least likely to react with Ca?

boron

krypton

sulfur

chlorine

16.

1 point

Every element has its own atomic number. The atomic number is the number of __ in the nucleus of an atom of the element.

positrons

neutrons

electrons

protons

17.

1 point

Which of the following describes the element tellurium (Te)?

alkali metal

lanthanid

transition metal

metalloid

18.

1 point

Which group of elements gains or shares two valence electrons?

the alkaline earth metals

the oxygen family

the halogens

the carbon family

19.

1 point

Which statement is correct?

Valence electrons are located in the innermost energy level.

Valence electrons can only be shared.

Valence electrons can only be transferred.

Valence electrons are located in the outermost energy level.

20.

1 point

Which of the following is a property of a nonmetal?

It can be bent into different shapes.

It has a hard and shiny surface.

It is a poor conductor of electricity.

It is a good conductor of heat.