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Mandarinka [93]
3 years ago
7

What is the pattern in the charge for elements in each group on the periodic table?

Chemistry
1 answer:
madreJ [45]3 years ago
5 0
( besides the transition metals) the group shows charge with...
1, +1 charge ( loses to group 17)
2, +2 charge
13, +3 charge
14, ±4 charge ( depends on if this is a metal or nonmetal( metalloids are classified by which side of the staircase))
15, -3 charge
16, -2 charge
17, -1 charge ( gains from group one ( halogens(17) and alkali metals (1) are highly reactive).
18, no charge (noble gasses are always full with valence electrons, thus have no charge and rarely form compounds.)
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Which two trials could be used to measure the surface area
OLEGan [10]

Answer:

Trials A and B

Explanation:

4 0
3 years ago
What is the salt that is produced when calcium hydroxide (Ca(OH)2) reacts with sulfuric acid (H2SO4)? CaSH2Ca H2O CaSO4
Wittaler [7]
H2SO4+CA[OH]2=CASO4+2H2O
3 0
3 years ago
Read 2 more answers
Which has a greater amount of particles, 1.00 mole of hydrogen (H) or 1.00 moles of oxygen(0)?
Bas_tet [7]

Answer:

Both have the same amount of particles.

Explanation:

From Avogadro's hypothesis, we understood that 1 mole of any substance contains 6.02×10²³ particles.

This implies that 1 mole of Hydrogen contains 6.02×10²³ particles. Also, 1 mole of oxygen contains 6.02×10²³ particles.

Thus, 1 mole of Hydrogen and 1 mole of oxygen contains the same number of particles.

7 0
3 years ago
A 32 L samples of xenon gas at 10°C is expanded to 35 L. Calculate the final temperature.
morpeh [17]

Answer:

              Final Temperature = 36.54 ⁰C

Explanation:

Lets suppose the gas is acting ideally, then according to Charle's Law, "<em>The volume of a fixed mass of gas at constant pressure is directly proportional to the absolute temperature</em>". Mathematically for initial and final states the relation is as follow,

                                                V₁ / T₁  =  V₂ / T₂

Data Given;

                  V₁  =  32 L

                  T₁  =  10 °C = 283.15 K             ∴ K = °C + 273.15

                  V₂  =  35 L

                  T₂  =  ??

Solving equation for T₂,

                         T₂  =  V₂ × T₁  / V₁

Putting values,

                         T₂  =  (35 L × 283.15 K) ÷ 32 L

                         T₂  =  309.69 K     ∴ ( 36.54 °C )

Result:

           As the volume is increased from 32 L to 35 L, therefore, the temperature must have increased from 10 °C to 36.54 °C.

3 0
4 years ago
Which of Graphs 1 correctly represents the relationship between the pressure and volume of a gas?
Alborosie

Answer:

D

Explanation:

pressure is inversely proportional to gas volume

4 0
2 years ago
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