Science

Opposite charges attract and like charges repel

...

The first column in the periodic table

Alkali metals

Second column in the periodic table

Alkaline earth metal

A tiny particul that matter is made of

Atom

The tiny particles that matter is composed of

Atom

Name for the number of protons in an atom

Atomic number

All matter is composed of tiny particles called

Atoms

The most common alkaline earth metal is a metal called

Calcium

A process in which Atoms of elements or compounds are rearranged to form new sentences

Chemical reaction

Can be thought of as the study of what substances are made of and how one substance can be changed into another

Chemistry

The most widely used Halligin is undoubtably

Chlorine

Substances that are composed of more than one type of atom bonded together are not elements bat are called

ComPounds

The amount of matter in one unit of space

Density

The hardest of all of those substances

Diamond

Tiny particles that swarm a tremendous speed around the nucleus of an Atom

Electron

Around the nucleus swarms from one to over 100 tiny particles called

Electrons

Substances that are composed of only one type Atom are called

Elements

Iron

Fe

Used to measure and objects mass

Gram

Hydrogen

H

Water

H2o

The seventh column of the periodic table contains the family of elements known as the

Halogens

Helium

He

The simplest kind of atom which only a single electron whirling around a single proton

Hydron

1000 grams

Kilogram

The densest of every day metals

Lead

The densest of every element

Lead

If you have two bokes and you fill one with feathers and one with lead even if they have the same density which will way more

Led

Lithium

Li

The amount of matter that makes up and object

Mass

Anything that takes up space and has mass

Matter

The only metal that is liquid at room tempature

Mercury

The three main groups of elements

Metals semimetals nonmetals

Neutrons

Neatural

Electron

Negative

Anything lacking in an electrical charge

Neutral

The two typeof particles which make up a nucleus of an atom

Neutrons and protons

A tiny extremely dense core at the center of an atom

Nucleus

The tiny extremely dense core at the center of an Adam

Nucleus

Oxygen

O

The dentist element of all

Osmium

Lead

Pb

The most abundant of the transuranium element

Plutonium

Protons

Positive

Used to make computer chips

Silicon

A measure of the pool of gravity on an object

Weight

Zinc

Zn