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Vadim26 [7]
2 years ago
5

A patient is prescribed 100mg/day of antibiotic for 2 weeks. The antibiotic is available in vials that contain 20mg/vial of the

drug. How many vials are necessary for the entire treatment?

Chemistry
1 answer:
Nimfa-mama [501]2 years ago
4 0
I have no idea, but i’m pretty sure you gotta divide
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Which elements are out of order in terms of atomic mass. co,Ni or Li,be or I,xe​
valkas [14]

Answer:

The pair co,Ni is out of order in terms of atomic mass

Explanation:

For co,Ni

Atomic mass of Co = 58.9331 u

Atomic mass of Ni = 58.6934

For Li,be

Atomic mass of Li = 6.941 u

Atomic mass of  be = 9.012182 u

For I,xe

Atomic mass of I =  126.90447 u

Atomic mass of Xe = 131.293 u

Hence, the pair co,Ni is out of order in terms of atomic mass

7 0
3 years ago
How many electrons can occupy an orbital
8_murik_8 [283]

Answer:

2 electrons

Explanation:

There are five 3d orbitals, each of which can hold up to 2 electrons, for 10 total electrons. An orbital is described by the principle quantum number, n, the angular momentum quantum number, l, and the magnetic quantum number, ml.

3 0
2 years ago
Express the following number in scientific notation: 0.000000675.
tekilochka [14]
There are 7 digits from decimal to 1st digit, and it's coming from right, so exponent will be in negative 7

In short, Your Answer would be: Option C) <span>6.75 × 10-7
</span>
Hope this helps!
6 0
3 years ago
2) Is an atom with 26 protons and 30 neutrons an element or an isotope?*<br> Element<br> O Isotope
NikAS [45]
Does the element have a different amount of electrons than protons?
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Vsevolod [243]
I think it's 2:1 or 2:1:4. I mostly think it's 2:1 though. (:
4 0
3 years ago
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