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3 years ago

PLZ HELP, GIVING BRANLIEST!!

Chemistry

1 answer:

valentinak56 [21]3 years ago

5 0

Answer:

Option A. The polar solvent molecule surrounds the positive sodium ions and the negative chloride ions.

Explanation:

When a salt say NaCl dissolved in water, the solvent molecules surround both the Na+ and Cl-. The Na+ are surrounded by OH- and the Cl- are surrounded by H+.

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What is the wavelength of electromagnetic radiation with a frequency of 9.23 × 107 Hz?

Igoryamba

Answer:

The wavelength of the given electromagnetic radiation is 3.25 m.

Explanation:

We know that,

Frequency (f) = c / λ;

where,

c - speed of light = $3\times10^{8} m/s$

λ - wavelength of the radiation.

Given,

f = $9.23 \times10^{7} Hz$ ,

From the above formula,

λ = $\frac{c}{f}$

λ = $\frac{3\times10^{8} }{9.23\times10^{7} }$

λ = 3.25m;

Therefore,

Wavelength of the given radiation = 3.25 m

3 0

4 years ago

Twenty-six words are have at least one bend, Birds, Dogs, Fish

Troyanec [42]

Answer:

animals, botany, carbon, DNA, electrons, Friction, gases, hydrogen, insect, Jupiter, kilowatt, laws of motion, machine, nitrogen, orbit, power, quark, reptiles, skeleton, telescope, uranium, vein, weight,x-ray, yellow, zoology

5 0

3 years ago

ANYONE HELP ME IN CHEMISTRY:( JUST THE NAME AND SYMBOL ANYONE WHO CAN HELP ME:(

lana [24]

Answer:

Hydrogen: H, Helium: He, Carbon: C

Nitrogen: N, Oxygen: O, Fluorine: F

Neon: Ne, Sodium: Na, Magnesium: Mg

Aluminum: Al, Silicon: Si, Phosphorus: P

Chlorine: Cl, Selenium: Se, Silver: Ag

Titanium: Ti, Beryllium: Be, Lithium: Li

Uranium: U, Nickel: Ni , Copper: Cu

Bromine: Br, Cadmium: Cd, Zinc: Zn

Cobalt: Co, Gallium: Ga, Germanium: Ge

Iron: Fe, Krypton: Kr, Potassium: K

Calcium: Ca, Chromium: Cr, Manganese: Mn

Scandium: Sc, Tin: Sn, Vanadium: V

Platinum: Pt, Boron: B, Au: Gold

7 0

3 years ago

GUYS !! So i have a science fair project && we get to pick what we wanna do but i need help , should i do Crystallizatio

zysi [14]

Answer:

fingerprint!

Explanation:

sounds cooler, and it should have fewer people in the category, making a higher chance if placing if you do it.

6 0

3 years ago

Read 2 more answers

How many degrees does the earth tilt

mart [117]

That would be 23.5 degrees

6 0

4 years ago

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