What is true about the elements in a given column of the periodic table?

All the elements in a column of the periodic table have similar properties.

All the elements are different.

A molecule is a group of two or more atoms that are chemically joined and that act as a single unit.

A molecule is a group of atoms that are best friends.

A molecule is a group of 3 or more protons that are joined and act as a single unit.

A molecule is a group of 2 or more electrons that can't combine with protons.

Suppose a geologist discovered an element that is fairly shiny, quite brittle and hard, and conducts electricity under certain conditions. If you were asked to classify this element, in which group would you place it? Why? (Explain.) 2 points so 2 answers

I would classify it as a semi-metal.

It has some properties of a metal and some of a nonmetal.

I would classify it as a non metal.

It has properties of a semi-metal and a non metal.

The atomic number of iron is 26. What does this tell you about the number of protons in the nucleus of an iron atom? What does it tell you about the number of electrons circling the nucleus? Mark all that apply. 2 points.

Since the atomic number is 26 that means there are 26 protons in the nucleus.

Also since the atomic number is 26 there are 26 electrons circling the nucleus.

Since the atomic number is 26 that means there are 26 letters of the alphabet in the nucleus.

Also since the atomic number is 26 there are 26 zombies circling the nucleus.

You and a classmate work together to try to classify a material. After testing the material and making certain observations, you are ready to classify the material as a metal. However, your partner has some doubts. How would you handle this situation? 2 points

Discuss the situation to find out why your partner has doubts.

Determine what other tests such as conductivity, you can perform to be more certain.

Tell your partner you're right and they don't know anything.

Determine other tests such as math you can use to deicde who is right.

Why doesn't water, a nonmetal, have a place on the periodic table?

Water is not an element, it is a compound made up of hydrogen and oxygen.

Water is really metallic so it can't be an element.

Water is in swimming pools to keep us cool during the summer.

Why is the element carbon so important to all living things?

Carbon compounds are the main parts of all living things.

Carbon is used in soda for carbon dioxide.

Science Chapter 8 Atoms And Molecules

Science Chapter 8 Atoms and Molecules

Authored by Julie Barnhart

Science

5th Grade

NGSS covered

Used 153+ times

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32 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is matter?

something that has mass and takes up space

something that is important

something that is a problem

something that takes up no space and is invisible

Tags

NGSS.5-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is matter made up of?

organs

cells

atoms

links

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is a metal?

oxygen

gold

carbon

helium

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is NOT a property of a metal?

shiny

can bend

melts easily

gets hot

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the smallest number of parts in a compound?

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You can see an atom with

your eye

a special telescope

a magnifying glass

a special microscope

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atoms may combine to form a(n)

mixture

molecule

nucleus

element

Tags

NGSS.MS-PS1-1

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Science Chapter 8 Atoms and Molecules

What is matter?

What is matter made up of?

Which element is a metal?

What is NOT a property of a metal?

What is the smallest number of parts in a compound?

You can see an atom with

Atoms may combine to form a(n)

What does periodic mean?

What element is a building block of matter in living things?

A pure substance made of two or more elements that are chemically combined is a(n) _____________.

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