b. shape
c. size
d. shape and volume
At a constant temperature and pressure, liquids retain their volume of matter.
Matter is defined as total mass which occupy in space, all the physical structures are composed of matter, it can be present in three basic states such as solid, liquid, and gas.
The atoms are basic unit of matter and that make up the objects which can be visible and touched every day, the amount of matter in an object can be determined by its mass.
A physical property of matter is an independent of its chemical composition. Density, color, hardness, melting and boiling points, and electrical conductivity are the examples.
Some characteristics like density, color, mass, volume, length, malleability, melting point, hardness, odor, temperature are some properties of matter.
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(2) It has a charge of +13 and is surrounded by a total of 13 electrons.
(3) It has a charge of –13 and is surrounded by a total of 10 electrons.
(4) It has a charge of –13 and is surrounded by a total of 13 electrons.
The nucleus of an aluminum atom has a charge of + 13 and is surrounded by a total of 13 electrons. Therefore, option (2) is correct.
Aluminum is a chemical element with atomic number 13 and the chemical symbol Al. Aluminum has 13 protons in its nucleus so it has +13 charge on its nucleus and thirteen electrons surrounding the nucleus of the aluminum.
Aluminum element has a low density and has a great affinity towards oxygen and forms a protective layer of oxide when exposed to air.
Aluminum is a post-transition metal placed in the p-block of the periodic table and forms compounds in the +3 oxidation state. The aluminum cation (Al³⁺) is polarizing in nature and forms metallic bonds to get its covalency in aluminum foil.
The atomic number of the aluminum atom is 13 therefore it has 13 electrons and 13 protons in its atom. The 13 electrons are present n the nucleus of an atom so the nucleus is positively charged.
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B. Why does density increase as you move from the crust to the core?
C. Why does density decrease as you move from the crust to the core?
D. Why is the inner core liquid iron and the outer core solid iron?
Answer:
The answer is C
Explanation:
Answer:
summer solstice
Explanation:
on june solstice the northen hemisphere leans more toward the sun giving us longer days and more strong sunlight and It's the opposite in the Southern Hemisphere where june marks the start of winter thus its the shortest day of the year