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Section 1

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Element

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1 / 37

Chemistry Science

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6 years ago

Date created

Mar 1, 2020

Cards (37)

Section 1

(37 cards)

Element

Front

A substance made up of only one type of atom.

Back

Electrons

Front

In the diagram, #3 refers to

Back

Atomic number

Front

Elements on the periodic table are arranged by increasing

Back

Solubility

Front

The ability of a substance to be dissolved

Back

alkali metals (group 1)

Front

Which family of METALS is the most chemically reactive?

Back

The Gold-Foil Experiment

Front

Proved that the atom is mostly empty space because most particles went through the foil.

Back

element

Front

Oxygen is an example of an __________.

Back

Sub-atomic particles in Scandium

Front

Protons = 21, Neutrons = 24, Electrons = 21

Back

Mixture

Front

A substance where the particles are mixed together, but not chemically combined.

Back

Periodic Table

Front

A chart used to describe, organize and group elements based on similarities

Back

anion

Front

A negatively charged ion

Back

solute

Front

A substance that is dissolved in a solution.

Back

physical property

Front

If you heat a liquid and measure the temperature at which it melts, you are measuring a(n)

Back

Chemical bonds

Front

What holds atoms together in a molecule or compound?

Back

Compound

Front

A substance made up of two or more different types of atoms chemically combined.

Back

Cathode Ray Tube Experiment

Front

This was JJ Thomson's experiment that led to the discovery of the electron and the development of the plum pudding model of the atom

Back

Similar properties

Front

The elements in a column (group or family) of the periodic table have...

Back

6

Front

How many oxygen atoms in Cu(NO3)2?

Back

Negative

Front

charge of an electron

Back

evaporation

Front

A mixture of salt and water can be separated by

Back

pH paper

Front

substance that will give the actual pH of a substance

Back

cation

Front

A positively charged ion

Back

compounds

Front

Salt (NaCl), water (H2O), and sugar (C6H12O6) are examples of ____________.

Back

pH

Front

how acidic or basic a substance is and the amount of hydrogen ions are present in the substance

Back

filtration

Front

A process that separates materials based on the size of their particles.

Back

Because the atom is so small

Front

Scientists create models to help visualize and describe them.

Back

Atom

Front

The smallest part of an element that still has the properties of that element.

Back

Positive

Front

charge of a proton

Back

Empty space

Front

The atom is made up of mostly

Back

solvent

Front

In a solution, the substance that does the dissolving.

Back

Protons

Front

In the diagram, #1 refers to

Back

Neutral

Front

charge of a neutron

Back

Nitrogen

Front

Which element is represented by the symbol "N"?

Back

Atoms

Front

Make up everything (living and nonliving) Building blocks of all matter All atoms of one element are identical to each other Atoms of different elements are different from one another

Back

Advances in technology help us improve our designs

Front

Why might the way we view the atom change over time?

Back

Neutrons

Front

In the diagram, #2 refers to

Back

Molecule

Front

A substance made up of two or more atoms (same or different) connected through a chemical bond.

Back