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Pachacha [2.7K]
3 years ago
8

_______ are plants that produce seeds and flowers.

Chemistry
2 answers:
ICE Princess25 [194]3 years ago
8 0

Answer:

angiosperms

Explanation:

i got it right in the ted on edge

kiruha [24]3 years ago
6 0

Answer:

angiosperms

Explanation:

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kow [346]

Answer:

A. 0.83

Explanation:

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7 0
3 years ago
Type the correct answer in the box.
tatiyna

the mass of  1  mole of phosphorus atoms is approximately  30 g

hope this helps :)

4 0
3 years ago
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What is a quantum of light energy called?
kirill115 [55]

Answer:

A) photon

Explanation:

hope it helps and give brainliest if its correct

4 0
2 years ago
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El símbolo del ion que contiene 24 protones, 28 neutrones y 21 electrones es: (Marque con X la respuesta correcta)
mrs_skeptik [129]

Answer:

d) Cr⁺³

Explanation:

Consideremos un ion que contiene 24 protones, 28 neutrones y 21 electrones.

Para encontrar el simbolo del elemento, tenemos que considerar el número atómico (Z) que es igual al número de protones. Con esta información, buscamos en la tabla periódica el  elemento con Z=24 es el Cromo.

La carga total está dada por la diferencia entre protones y electrones. Los ´protones tienen carga +1 y los electrones carga -1. Luego, este ion tiene carga:

24 protones + 21 electrones = 24 . (1) + 21 . (-1) = +3

El simbolo del ion es Cr⁺³.

3 0
3 years ago
. Find the mass of 0.159 mol silicon dioxide.​
Juliette [100K]

Answer:

9.55 grams of SiO2

Explanation:

If the mass you mean by grams:

0.159 mole x 60.08 g (Periodic table by adding both elements)

Cancel moles with moles (Original moles with the 1 mol at the bottom of the grams) and gives you:

9.55 grams of SiO2

4 0
3 years ago
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