Periodic Table
Atomic Structure
Isotopes
Ions
Classifying Matter
100

Name of the horizontal rows on the periodic table.

What is a period?

100

The location of protons and neutrons in an atom

What is the nucleus?

100

23892U

Identify the atomic number.

What is 92?

100

The name of a positively charged ion

What is a cation?

100

Classify as an element, compound, heterogeneous mixture, or homogeneous mixture: N2

What is an element?

200

Name of the vertical columns on the periodic table.

What is a group or family?

200

These subatomic particles have a mass of 1 amu.

What are protons and neutrons?

200

23892U

Identify the mass number.

What is 238?

200

The name of a negatively charged ion

What is a anion?

200

Classify as an element, compound, heterogeneous mixture, or homogeneous mixture: Tap water

What is a homogeneous mixture?

300

The family name of Group 17 (VIIA)

What are the halogens?

300

What is the charge and mass of an electron?

What is -1 and 0 amu?

300

23892U

Identify the number of protons in uranium-238.

What is 92?

300

The Cl- ion was formed by ____________ 1 electron

What is gaining?

300

Draw a particle diagram (at least 6 particles) showing a mixture of elements and compounds.

Answers will vary

400

Ni, Cu, and Au are a part of which group?

What are the transition metals?

400
This subatomic particle determines the identity of the element

What is a proton

400

23892versus 23592U

Uranium-238 and uranium-235 differ by ___ __________.

What are 3 neutrons?

400

Number of electrons in the Al3+ ion

What is 10 electrons?

400

Classify as an element, compound, heterogeneous mixture, or homogeneous mixture: Ethanol (C2H5OH)

What is a compound?

500

Alkaline earth metal in Period 6

What is barium?

500

The majority of the density of an atom is located here

What is the nucleus?

500

Isotopes have the same number of _______________ but different numbers of _____________.

What are same protons and different neutrons?

500

Number of electrons in the P3- ion?

What is 18 electrons?

500

What is the main difference between heterogeneous and homogeneous mixtures?

Both types of mixtures are composed of 2 or more substances. However, heterogeneous mixtures have a nonuniform composition (more than 1 phase) while homogeneous mixtures have a uniform composition (1 phase only).

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