unit 2 quiz

Multiple Choice

Which statement correctly describes the location and charge of the neutrons in an atom?

• The neutrons are inside the nucleus and have a positive charge.

• The neutrons are outside the nucleus and have a neutral charge.

• The neutrons are outside the nucleus and have a negative charge.

• The neutrons are inside the nucleus and have a neutral charge.

Multiple Choice

An atom has 3 protons, 4 neutrons, and 3 electrons. What is the charge of the atom’s nucleus?

• +4

• +3

• −4

• −3

Multiple Choice

What type of particles are found in the cloud surrounding the atom's nucleus?

• Neutral particles and positively charge particles

• Positive charge particles only

• Negatively charge particles and positively charge particles

• Negatively charge particles only

Multiple Choice

 What is the mass number of this element?

• 5

• 27

• 32

• 59

Multiple Choice

The particles with no charge in an atom are the _______.

• electrons

• neutrons

• protons

• protons and neutrons

Multiple Choice

What is the atomic number of this atom?

• 1

• 3

• 4

• 7

Multiple Choice

Where is most of the mass in an atom located?

• in the nucleus
• in the protons
• in the neutrons
• in the electrons

Multiple Choice

Which statement correctly describes the location and charge of the neutrons in an atom?

• The neutrons are inside the nucleus and have a positive charge.

• The neutrons are outside the nucleus and have a neutral charge.

• The neutrons are outside the nucleus and have a negative charge.

• The neutrons are inside the nucleus and have a neutral charge.

Multiple Choice

What type of particles are found in the cloud surrounding the atom's nucleus?

• Neutral particles and positively charge particles

• Positive charge particles only

• Negatively charge particles and positively charge particles

• Negatively charge particles only

Multiple Choice

Carbon has how many protons?

• 12

• 6

• 7

• 4

Multiple Choice

How many protons are in Gold

• 79

• 197

• 118

• 276

Atomic Mass

• Protons and neutrons each have a mass of 1 amu, while electrons weigh nothing

• ​All the mass of an atom is in its nucleus

• ​When you add the protons and neutrons together, you get the atomic mass.

• ​Carbon has 6 protons and 6 neutrons, so its atomic mass is 12

Multiple Choice

What is the atomic mass number?

• the number of protons in the nucleus

• the number of protons and neutrons in the nucleus

• the number of neutrons in the nucleus

• the number of protons and electrons in the atom

Multiple Choice

Oxygen has a mass of...

• 8

• 16

• 15

• 6

Multiple Choice

True or False - Protons and Neutrons have about the same mass.

• True - They have about the same mass

• False - They do not have about the same mass

Number of Protons and Electrons

• ​Atoms are most stable when their electrical charge = 0

• ​An electrically neutral atom needs an equal number of protons (each has a +1 charge) and electrons (each has a -1 charge)

Multiple Choice

In order for an atom to be neutral what has to be true?

• The atom has more protons than neutrons

• The atom has more neutrons than protons

• The atom has the same number of protons and neutrons

• The atom has the same number of protons and electrons

Number of Neutrons

• ​Neutrons have no charge and are not always the same as the number of protons or electrons

• ​To find the number of neutrons you subtract the atomic number (number of protons) from the atomic mass (protons and neutrons)

Multiple Choice

Bromine has how many Neutrons?

• 35

• 80

• 45

• 8

Multiple Choice

How many neutrons are in Tungsten

• 110

• 74

• 183

• 258

Multiple Choice

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11

• 5

• 6

• 16

Multiple Choice

How many valence electrons does Selenium (Se) have?

• 78

• 6

• 34

• 4

Multiple Choice

What is the identity of Element II

• Hydrogen

• Magnesium

• Calcium

• Rubidium

Multiple Choice

What do all elements in a period on the Periodic Table have in common?

• Number of valence electrons

• Number of energy levels

• Atomic Numbers

• Atomic Masses

Multiple Choice

How many valence electrons are in an atom of each element in Group 15 in the periodic table?

• 5

• 15

• 7

• 1

Multiple Choice

Students were asked to identify the location of elements in the periodic table based on clues printed on game cards.

Based on the data, which periodic table shows the correct location of the four elements?

Multiple Choice

Element R and Element Q have the same number of valence electrons. These elements both have similar chemical properties, but Element R has fewer energy levels than Element Q.

Which statement best describes the positions of the two elements in the periodic table?

• The two elements are in the same period, with Element R the first element in the period and Element Q the last element

• The two elements are side by side in the same period, with Element Q to the left of Element R

• The two elements are in the same group, with Element R just above Element Q

• The two elements are in the same group, with Element Q at the top of the group and Element R at the bottom

Multiple Choice

Students in a science class prepared flash cards so that they could quiz one another about the arrangement of the periodic table. One of the flash cards contained information about two elements, Element L and Element M.

The students had to use the information on the flash card to determine the possible positions of the two elements on a blank periodic table. Which periodic table has the elements placed in location that match the information on the flash card?

Multiple Choice

The periodic table is organized into groups and periods of elements. The characteristics of a certain group of elements are listed in the picture.

Which of these elements is in this group?

• Lithium

• Strontium

• Aluminum

• Silicon

Multiple Choice

A researcher wants to experiment with an element that reacts like phosphorus (P) but has a greater atomic mass. Which element should the researcher select for the experiment?

• Nitrogen (N)

• Sulfur (S)

• Arsenic (As)

• Silicon (Si)

Multiple Choice

A Bohr model of a stable Gallium (Ga) should have _____ valence electrons and _____ energy levels.

• 1; 3

• 2; 4

• 3; 4

• 4; 3

Multiple Choice

An element is discovered that has 117 protons and 7 valence electrons. Where would this element be located on the Periodic Table?

• Group 18

• Group 17

• Group 7

• Group 1

Multiple Choice

How many valence electrons do all elements in Group 2 have?

• 1

• 2

• 3

• 4

Multiple Choice

Which group number is Oxygen in?

• 2

• 6A

• 8

• 16

Multiple Choice

How many valence electrons does Argon have?

• 3

• 8

• 18

• 40

Multiple Choice

Which group is this atom in?

• 2 (2A)

• 8

• 10

• 18 (8A)

Multiple Choice

Which period is this atom in?

• 2

• 8

• 10

• 18

Multiple Choice

True or False: There are more metals than nonmetals on the periodic table.

• True

• False

Multiple Choice

Which statement correctly describes the location and charge of the electrons in an atom?

• The electrons are inside the nucleus and have a negative charge

• The electrons are inside the nucleus and have no charge

• The electrons are outside the nucleus and have a negative charge

• The electrons are outside the nucleus and have no charge

Multiple Choice

a physical property tendency to break, snap, or crack

• brittle

• insulator

• conductor

Multiple Choice

a substance that allows the flow of electric charge or transfer thermal energy

• brittle

• insulator

• conductor

Multiple Choice

Which element is a metalloid?

• Titanium

• Selenium

• Potassium

• Polonium

Multiple Choice

Iron is a good conductor, malleable and magnetic. What type of element is Iron? 

• Metal

• Nonmetal

• Metalloid

• Pretty

Multiple Choice

A student is given a sample of an unknown substance. He is asked to determine if it is classified as a metal, a metalloid, or a nonmetal. He discovered that the unknown element conducted some heat and electricity, had a shiny luster, and broke easily. This element is most likely a 

• metal

• nonmetal

• metalloid

• cannot be determined

Multiple Choice

Which group of elements is shown colored in blue? Hydrogen is also in this group, even though it is on the right side of the periodic table.

• metals

• nonmetals

• metalloids

Multiple Choice

Which group of elements is shown colored in green?

• metals

• nonmetals

• metalloids

Multiple Choice

Which group of elements is shown colored in orange?

• metals

• nonmetals

• metalloids

Multiple Choice

All of the following would classify an element as a metal except?

• Dull

• Luster

• Malleable

• Hard

Multiple Choice

Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 

• Metal

• Nonmetal

• Metalloid

• Pretty

Multiple Choice

If a material can easily be drawn into the shape of a wire, it is

• Ductile

• Magnetic

• Malleable

• Reactive

Multiple Choice

Malleability is ___________

• the way light is reflected off a surface.

• how well a piece of matter conducts electricity

• the capability of being drawn out into thin wires or threads.

• the capability of being hammered out thin.

Multiple Choice

Conductivity is ___________

• the way light is reflected off a surface.

• how well a piece of matter conducts heat and electricity.

• the capability of being hammered out thin

• A. the capability of being drawn out into thin wires or threads.

Multiple Choice

Ductility is ___________

• A. the capability of being hammered out thin.

• B. the way light is reflected off a surface.

• C. the capability of being drawn or stretched into thin wires or threads.

• D. how well a piece of matter conducts electricity.

Multiple Choice

Metalloids _____________

• have no properties of metals.

• have no properties of nonmetals.

• have some properties of both metals and nonmetals.

• none of the above

Multiple Choice

Which of the following is a good conductor of heat?

• Metal

• Nonmetal

• Metalloid

Multiple Choice

Easily breaks into pieces when it falls.

• malleable

• lustre

• ductile

• brittle