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Chemistry

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Jamir Kuhn

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โˆ™ 2021-10-05 18:34:38
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Cards in this guide (21)
Can homogeneous mixtures be separated by physical means

Homogeneous mixtures can not be separated, heterogeneous mixtures can.

Do neutrons have an electric charge

Neutrons have a neutral charge
Neutrons have no charge.

The of a sound wave deals with the volume of the sound

amplitude

The quantum model suggests that electrons

are in probable cloud locations.

An element in a similar period to bromine would be

Calcium

Which part of the atom is involved in bonding

The outer or valence electrons are the ones involved in bonding.
Valence electrons

To determine the number of neutrons in an atom what must be done

Find out the mass number (A) of the specific isotope of the element. Find out the atomic number (Z) of the element (e.g. from the periodic table).

Number of Neutrons, N = A-Z.

Elements in Group are common alkaline earth metals

2

Does an electron in the third shell have more energy than an electron in the second shell

electrons in the outer shell have more energy than those of the inner shells. But electrons in inner shells are closer to the nucleus.

Music that describes nature or tells a story is known as

tonal music

Reason: APE EGS

Lithium sodium and potassium all have one valence electron Which element has the largest atomic radius

Potassium

Families or of elements are similar due to similarities in their number of valence electrons

Families or _GROUPS_ of elements are similar due to similarities in their number of valence electrons.

Answer:

What are the three phases of warm up

Wax, like all matter, comes in many phases. What are the three possible phases?

gas. liquid, and solid

The discovery of a periodic table closest to its modern form was the result of which scientist's work with decks of cards

Mendeleev

How many more valence electrons does magnesium need to have a full outer valence shell

it needs six more electrons to have a full outer valence shell.

Which key signature is pictured here

G Major

What is linguistic fragmentation

the use of money to buy your way into power

How many quarters in two and an half

there are ten quarters in two and a half.

two quarters make a half and eight quarters make two. 8quartesr+2quarters=10quarters

Why do elements in the top right corner have high ionization energies

The elements in this part of the periodic table want to gain electrons to get to a noble gas configuration - not lose them. To lose electrons is very energetically unfavorable (high ionization energies).

What group of elements has seven valence electrons

The Halogens have seven valence electrons.

Match the musical term on the left with its definition on the right.

Niggr

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