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3 years ago

Please help due tomorrow science

Chemistry

1 answer:

horrorfan [7]3 years ago

8 0

Answer:

1. start line drawn in ink

2. start line below solvent level

Explanation:

1. the line would run up the paper. should have drawn with pencil.

2. the samples would dissolve into solvent and not run up the paper.

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Equal but opposite forces acting on an object results in what?

forsale [732]

Answer:

Action given and reaction taken

Also known as

Newton's third law of motion

Explanation:

An action will be done such as bouncing a ball on the wall

- You throw the ball (Action)

- The ball bounces back (Reaction)

Hope this Helps

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2 years ago

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horsena [70]

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Explanation:

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3 years ago

What do punnet squares do

larisa86 [58]

Answer:

The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. ... The diagram is used by biologists to determine the probability of an offspring having a particular genotype.

Explanation:

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2 years ago

Elements chemically combine in various ways to form most substances on Earth. These chemically combined elements are called ____

AleksAgata [21]

Answer:

compounds

Explanation:

the actual term would be chemical compound

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2 years ago

Read 2 more answers

Select all that apply.

inysia [295]

Answer: has zero mass

is an electron

has a -1 charge

is electromagnetic energy

Explanation:

A beta-particle is an electron emitted from the nucleus of an atom following the decay of a neutron into a proton. Beta rays are deflected by a magnetic field in a direction that indicates a negative charge, thus they are electromagnetic in nature.

The beta particle released is basically a electron with -1 charge and no mass.

General representation of beta particle in the form of $_Z^A\textrm {X}$ given as $_{-1}^0e$

where,

Z represents Atomic number

A represents Mass number

X represents the symbol of an element

8 0

3 years ago