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mestny [16]
3 years ago
11

What is the relationship between genes, chromosomes, and DNA? How are they organized inside of a cell?

Chemistry
1 answer:
Crazy boy [7]3 years ago
5 0
They are combined 50% from your mom and the other from your dad
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Binary ionic compound of calcium and oxygen
Vlad1618 [11]
Socratic helps for you page
7 0
3 years ago
When magnesium ribbon is ignited, it gives off a white fume of magnesium oxide. What is this type of reaction?
Svetllana [295]
This reaction is called a composition reaction.
3 0
3 years ago
What is the density of a 32g toy car that<br> has a volume of 8cm3?<br> A. 256alcm3<br> An3
Greeley [361]

Answer:

density=mass/volume

density=32/8

density=4

8 0
3 years ago
Calculate the frequency and wavelength for a photon of light with an energy of 3.2x10-19 J.
tamaranim1 [39]

Answer:

wavelength = 6×10⁻⁷m

f = 0.5 ×10¹⁵ Hz

Explanation:

Given data:

Energy of photon = 3.2×10⁻¹⁹ J

Wavelength of photon = ?

Frequency of photon = ?

Solution:

E = h.f

f = frequency

h = planck's constant

E = energy

f = E/h

f = 3.2×10⁻¹⁹ Kg.m².s⁻²/ 6.63×10⁻³⁴ m².Kg/s

f = 0.5 ×10¹⁵ s⁻¹

s⁻¹ = Hz

f = 0.5 ×10¹⁵ Hz

Wavelength:

speed of light = wavelength × frequency

wavelength = speed of light / frequency

wavelength =  3×10⁸ m.s⁻¹ /0.5 ×10¹⁵s⁻¹  

wavelength = 6×10⁻⁷m

6 0
2 years ago
Which of the following halogens has the largest atomic radius?
pickupchik [31]

Answer:

\boxed {\boxed {\sf B. \ Iodine }}

Explanation:

Atomic radius is the measurement from the nucleus to the outer edge of the electron cloud.

As you go down a group (vertically) the atomic radius increases because more electron shells are added. As you go across a period horizontally, the atomic radius decreases.  

If we look at the halogens group (17), we see they follow this order from top to bottom:

F - Fluorine

Cl - Chlorine

Br - Bromine

I - Iodine

Since it increases down the group, iodine  must have the largest atomic radius.

4 0
3 years ago
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