SUBATOMIC PARTICLES
PURE SUBSTANCES AND MIXTURES
PERIODIC TABLE
ISOTOPE, ISOBAR, ISOTONE, ISOELECTRONIC
POTPOURRI
100
This is a positively charged particle in the nucleus of the atom.
What is a proton?
100
True or false: heterogenous mixtures can be a mixture of solids, liquids, and/or gases.
True.
Mixtures can be any combination of all states of matter: solids, liquids, and gases.
100
The atoms found in this category tend to have a -3 charge.
What is Group 15 (new Periodic Table) or Group VA?
100
These are elements with the same number of protons but different number of neutrons.
Isotopes
100
What is the electron structure or electron notation of Nitrogen?
2,5
200
This is an uncharged particle in the nucleus of the atom.
What is a neutron?
200
What is the smallest unit of an element that maintains all the properties of that element?
Atoms
200
What makes up the majority of the periodic table?
What are metals?
200
Isobar
200
What element is this?
Cobalt
300
The number of protons for the element Calcium (Ca)
What is 20?
300
Is a heterogeneous mixture chemically bonded? Elaborate.
No. Heterogeneous mixtures are combined but not chemically like compounds.
300
This represents the identity of an element and does not change for that element.
What are protons?
300
calcium ions and chloride ions
isoelectronic
300
What is the electron notation of the element below?
2, 8, 3
400
Where are protons located in an atom?
nucleus
400
What is another term we can use for homogeneous mixtures that contains a solute and solvent?
Solution
400
In this category, a mystery element Z is a non-lustrous solid and a poor conductor of electricity.
What are nonmetals?
400
Isotones
400
What are nucleons?
number of protons and neutrons
500
How many neutrons does the following element have?
What is 61 neutrons?
500
Which of these statements are true about compound?
A. Compounds can be found in the periodic table.
B. Compounds are pure substances.
C. Compounds are made up of two or more pure substances.
D. Compounds can be separated by physical means.
B and C
Compounds are pure substances and are made up of two or more elements.
*Elements can be found in the periodic table.
*Compounds can only be separated by chemical means.
500
The seven diatomic elements found in nature (meaning they are found bonded to themselves).
What are Br, I, N, Cl, O, H, and F?
500
Hg-196 and Hg-199
Isotope and Isoelectronic
500
How many neutrons are in tellurium?
76 neutrons