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Section 1

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Chemistry Science

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Last updated

6 years ago

Date created

Mar 14, 2020

Cards (37)

Section 1

(37 cards)

Period

Front

The horizontal rows on the periodic table. Elements in the same row have the same number of electron shells/energy levels.

Back

1 kilogram

Front

1000 grams

Back

Family/Group

Front

The vertical columns on the periodic table. Elements in the same group/family have the same number of valence electrons. (Except Helium which is in Group 8, but only has 2 valence e-)

Back

accurate but not precise

Front

Back

1 meter = ____ centimeters

Front

100 centimeters

Back

The number of valence electrons Noble Gases have

Front

8

Back

Symbol for Helium

Front

Back

Electron Configuration of Sodium

Front

1s2 2s2 2p6 3s1

Back

SI unit for length

Front

meter (m)

Back

Is Fire matter or not matter?

Front

not matter

Back

Energy moving into a system

Front

endothermic

Back

Symbol for Magnesium

Front

Back

K is which element

Front

Potassium

Back

accurate, precise

Front

Back

Not accurate, precise

Front

Back

SI unit for volume

Front

liter (L)

Back

Electron Configuration of Oxygen

Front

1s2 2s2 2p4

Back

Is DNA matter or not matter?

Front

Matter

Back

Electron Configuration of Helium

Front

1s2

Back

Density

Front

mass/volume

Back

Metalloids

Front

Elements that have properties of both metals and nonmetals.

Back

The number of valence electrons Sodium has

Front

1

Back

The number of valence electrons Fluorine has

Front

7

Back

Alkali Metals

Front

The elements in Group 1A of the periodic table (except Hydrogen). VIOLENTLY REACT with water, and produce alkaline (basic) substance.

Back

Physical Change

Front

When a substance changes its phase (changes to a solid, liquid , gas, or plasma) or is modified (size, shape, etc) but remains the same substance.

Back

Na is which element

Front

Sodium

Back

1 liter

Front

1000 milliliters

Back

Transition Metals

Front

Group B elements Form a bridge between the elements of the left and right sides of the Periodic Table (middle of the table). -Non-reactive metals. -Less predictable than other elements. -Paramagnetic properties

Back

Symbol for Manganese

Front

Back

Halogens

Front

The elements in Group 7A of the periodic table. -Very reactive -Poisonous -Bleaches and disinfectants

Back

Chemical Change

Front

Chemical reaction; when substances interact with each other. Original substances are used up.

Back

Energy moving out of a system

Front

exothermic

Back

Noble Gases

Front

The elements in group 8A of the periodic table. -Colorless -Odorless -Extremely NONREACTIVE

Back

SI unit for mass

Front

kilogram (kg)

Back

not accurate, not precise

Front

Back

Alkali Earth Metals

Front

The elements in Group 2A of the periodic table. Shiny, Silvery-white Very reactive

Back

Non-metals

Front

-Brittle when solid -Dull -Poor conductors -Lower melting and boiling points than metals

Back