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Science > Elements of Surprise > Flashcards

Elements of Surprise Flashcards

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1
Q

Neutron

A

Neutral Charge

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2
Q

What charge is a Protron

A

Positive Charge

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3
Q

Electron

A

Negative Charge

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4
Q

Physical Changes can be…..

A

…. undone

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5
Q

Chemical Changes…..

A

…… can’t be undone

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6
Q

Co2 is made up of what?

A

One Carbon and Two Oxygen

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7
Q

C6H12O6 is made up of what?

A

Six Carbon, Twelve Hydrogen, Six Oxygen

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8
Q

Which change makes a new substance?

A

Chemical change. Physical Change does not change an objects chemical identity.

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9
Q

Name 3 signs of a chemical reaction

A

Colour Change, Temperature Change, Bubbles form, fizzing, new odour, new substance produced

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10
Q

What is the structure of an atom?

A

Made up of nucleus, protrons, neutrons and electrons. The protrons and neutrons are inside the nucleus and the electrons orbit it.

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11
Q

What is a chemical formula?

A

A shorthand of writing the name of a compound

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12
Q

What is a compound?

A

A compound is formed when two or more different types of atoms are chemically bonded (joined). A compound is a pure substance.

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13
Q

What’s an example of a compound?

A

Acetic Acid (C2H4O2) and Carbon Dioxide (CO2)

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14
Q

What is a mixture?

A

A mixture is made up of two or more substances that aren’t joined or bonded together.

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15
Q

What is an example of a mixture?

A

Honey and Tea, Cereal and Milk, Oil and Water

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16
Q

What are the two types of mixtures?

A

Homogeneous (of the same kind; alike.) and Heterogeneous (a process involving substances in different phases: solid, liquid, or gaseous).

17
Q

What is physically mixed together?

A

Mixtures. Compounds are chemically mixed together.

18
Q

hey

A

hey

19
Q

What is a reactant?

A

A reactant is a substance that takes part in and undergoes change during a reaction. For example Mageniusm and Carbon

20
Q

What is an element?

A

Any substance that cannot be broken down into anything simpler, a similar substance. Made up of only one atom. type.

21
Q

How many different types of atoms are there?

A

118

22
Q

What’s the atomic number determined by?

A

The number of protons known as the atomic number reveals what type of atom it is and what element it is.

23
Q

True or False, the number of the neutrons is the number of protons and electrons?

A

True the number of neutrons is the number of protons and electrons combined.

24
Q

Which element has the most amount of neutrons?

A

Aluminium

25
Q

What is the product?

A

They are species formed from chemical reactions

26
Q

What is an example of a word chemical equation?

A

Magnesium + Oxygen –> MgO

27
Q

Describe the arrangement of particles for all states of matter

A

Solid particles are tightly packed and often in a rectangle shape. Liquid particles are close together with no regular arrangement. Gas particles are well separated with no regular arrangement.

28
Q

Does gas have mass?

A

No, but liquids and solids do.

29
Q

Can solids be compressed?

A

No, but some liquids can and gases can as well.

30
Q

Do liquids have a fixed shape?

A

No, but solids do. Gases do not.

31
Q

Do atoms make up everything?

A

Everything except energy.

32
Q

What is energy’s formula?

A

E = mc2 = Energy equals mass times the speed of light squared

33
Q

Why is energy not made from matter?

A

Energy is not made of matter because it is released

34
Q

How do I identify things on the periodic table?

A

The centre and the bottom row is dedicated to metals, non-metals are on the outer right side and metalloids are right next to the non-metals.

35
Q

What is always on the left of an arrow?

A

Reactant, the product is on the other side

36
Q

Why isn’t energy made up of matter?

A

Energy doesn’t have a mass

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