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arsen [322]
3 years ago
14

Which group of elements are considered to be in the same family?

Chemistry
1 answer:
mash [69]3 years ago
8 0
A. helium, neon and argon, because they are in the same group or column
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The volume of a gas is 650.ml at 1.14celsius what will the volume be at 75.0 Celsius?
Triss [41]

Answer: 42763ml

Explanation:

Using Charle's law

V1/T1=V2/T2

V1= 650ml

V2=?

T1= 1.14c

T2= 75c

Substitute the value

650/1.14=V2/75

Cross multiply

650×75=V2×1.14

V2= 650×75/1.14

V2= 42763.16ml

V2= ~42763ml

4 0
3 years ago
What did the 15th amendment do
Alisiya [41]

The 15th Amendment to the Constitution granted African American men the right to vote by declaring that the "right of citizens of the United States to vote shall not be denied or abridged by the United States or by any state on account of race, color, or previous condition of servitude."

6 0
3 years ago
What kind of electrons are involved in chemical bonding?
mamaluj [8]
Bonding electrons are involved in chemical bonding these electrons have their valnce shell incomplete
6 0
3 years ago
To whoever helps me thank you so much have a wonderful day!
Schach [20]

Answer:

N and P

Explanation:

Anion:

When an atom gain the electrons anion is formed. The negative sign shows that atom gain electron because number of electron are greater than protons or we can say that negative charge becomes greater than positive charge.

Cation:

When atom lose electron cation is formed. The atom thus have positive charge because number of positive charge i.e protons are increased are greater than negative charge or electron.

In given problem N and phosphorus both can gain three electrons which means negative charge becomes greater that's why the extra electron gained by atoms are written as -3 and both form anion with charge -3.

while Al form cation with charge +3 Mg form cation with charge +2 and iodine and bromine both form anion with charge of -1.

8 0
3 years ago
Is this correct? also for the mass i have to round it to the closest whole number
11Alexandr11 [23.1K]
A lithium atom has 3 protons and 3 electrons. It can lose one of its electrons, making it an ion. It now has more positive protons than electrons so it has an overall positive charge. Overall charge is +1
8 0
3 years ago
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