Answer:odium
Explanation:
Among the metals Sodium, Rubidium, Aluminum, and Indium, Rubidium is the most reactive due to its position in the alkali metals group in the periodic table. The reactivity of metals increases as you go down in any group.
The question asked was: 'Out of Sodium, Rubidium, Aluminum, and Indium, which is the most reactive metal?' In the periodic table of elements, reactivity of metals increases as we move down in any group. Sodium and Rubidium are alkali metals present in Group 1. Out of these two elements, Rubidium is further down in the group and is thus more reactive compared to Sodium. However, Aluminum and Indium belong to different groups and are relatively less reactive when compared to alkali metals.
Passivation, or the formation of nonreactive film of oxide on metals such as Aluminum, makes them less reactive compared to alkali metals, which readily react with water and oxygen. In conclusion, among Sodium, Rubidium, Aluminum, and Indium, Rubidium is the most reactive metal.
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Both temperature and pressure decrease.
B.
Both temperature and pressure increase.
C.
Temperature increases, but pressure decreases.
D.
Temperature decreases, but pressure increases.
B. Both temperature and pressure increase
Answer:
The answer you're looking for is,
B) Both the temperature and the pressure increase.
Answer:
= 51.57 °C
Explanation:
The combined gas equation shows that P₁V₁/T₁=P₂V₂/T₂ where P represents pressure, V represents volume and T absolute temperature
From the information provided in the question,
Since we are finding the initial or original temperature, we can make T₁ the subject of the formula.
T₁=P₁V₁T₂/P₂V₂
P₁=2.0 ATM
P₂= 1.0 ATM
V₁=2.0 L
V₂= 3.5 L
T₁=?
T₂= (11+273) K=284 K
Using these values in the formula:
T₁= (2.0 ATM × 2.0 L× 284 K)/(1.0 ATM × 3.5 L)
=324.57 K
324.57-273= 51.57 °C
Chlorine
Uranium
Ammonia
Among the substances listed, ammonia (NH3) is a compound. The option D (ammonia) is the correct option.
Compounds can have various physical forms, such as solids, liquids, or gases, depending on the specific elements and the nature of their chemical bonds. They can also exhibit a wide range of chemical and physical properties, such as melting point, boiling point, density, solubility, and reactivity.
Chemical formulas are used to represent compound substances, indicating the types and numbers of atoms present in a molecule of the compound. For example, the chemical formula for water is H2O, representing two hydrogen (H) atoms bonded to one oxygen (O) atom. Ammonia is composed of nitrogen (N) and hydrogen (H) atoms bonded together. Carbon (C), chlorine (Cl), and uranium (U) are elements rather than compounds.
Therefore, Ammonia which is option D is the correct option.
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Answer:
Ammonia
Explanation:
Ammonia is a inorganic compound that is made up of single nitrogen atom.
b. silicon
c. silver
d. argon
The most reactive element among the options is iodine. The Option A.
Iodine is the most reactive element in this list because it belongs to the halogen group of elements in the periodic table, which is known for its high reactivity.
Halogens readily form compounds by gaining electrons to achieve a full outer electron shell. Iodine, with its seven valence electrons has a strong tendency to gain one more electron to achieve stability.
This makes it highly reactive especially when it comes into contact with elements that readily lose electrons such as metals.
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Answer:
iodine
Explanation: