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Kamila [148]
3 years ago
13

*WILL GIVE BRAINLIEST IF SOMEONE ANSWERS THIS CORRECTLY ASAP!!!!*

Chemistry
2 answers:
My name is Ann [436]3 years ago
8 0

D. The final substance in Beaker A is a mixture and in Beaker B is a pure substance.

kvasek [131]3 years ago
3 0

Answer:

substance a is a pure substance. substance b is a mixture

Explanation:

The previous answer is incorrect

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PLZ HELP WILL MARK BRAINLIEST
snow_lady [41]

Answer:

The male cone

Explanation:

The male cones, which produce pollen, are usually herbaceous and much less conspicuous even at full maturity.

3 0
4 years ago
How do you assume the help position to reduce heat loss in cold water?.
torisob [31]

Crossing your arms across the chest and pulling the knees up to your chest is how the HELP position is achieved.

<h3>What is HELP position?</h3>

This is referred to as heat escape lessening position and reduces heat loss in individuals when in cold water.

This position helps to protect groin, head/neck, and rib cage/armpits areas of the body.

Read more about Heat loss here brainly.com/question/6850851

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6 0
2 years ago
Rank the following elements by increasing atomic radius: Carbon, aluminum, oxygen, potassium.
Aloiza [94]

Answer

The elements in increasing order of atomic radius: oxygen, carbon, aluminum, potassium

Explanation:

The distance from the center of the nucleus to the outermost shell of the electron is known as the atomic radius of an element. The atomic radius decreases rightward along each period (row) of the table due to the increase in effective nuclear charge (the charge of the nucleus equal to the number of protons). Across a period, electrons are added to the same energy level and the increasing number of protons causes the nucleus to exert more pull on these electrons, which makes the atomic radius smaller.  Atomic radius increases down each group (column) of the periodic table because of the addition of electrons to higher energy levels, which are further away from the nucleus and the pull of nucleus weakens. Another reason for the increase in atomic radius is the electron shielding effect, which is the reduction of the attractive force between a nucleus and its outer electrons due to the blocking effect of inner electrons

While moving from left to right in the second period, c arbon comes before  oxygen  and so oxygen will have a smaller atomic radius than  carbon. While moving down the periodic table, al uminum comes before  potassium even if they are not in the same period. So aluminum 's atomic radius will be smaller than that of  potassium  but bigger than that of  carbon  and  oxygen.

(hope that helps can i plz have brainlist it will make my day :D hehe)

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3 years ago
Wheat determines an objects velocity
Olegator [25]

The objects speed and direction of motion or change of its position

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4 years ago
¿Qué características distinguen a los coloides de otras mezclas?
3241004551 [841]
Colloids is the correct answer
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3 years ago
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