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3 years ago

This chart show the amount of radioactivity measured from three unknown isotopes.

Chemistry

1 answer:

Ad libitum [116K]3 years ago

5 0

Answer:

We are asked to describe the half-life of the radioactive materials.

Hence the 3rd option is correct

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Balance and classify the following equations as synthesis, decomposition, single replacement, double replacement, or combustion:

vodomira [7]

See which one is the bigger equitation to classify the smallest in order

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3 years ago

Select the correct answer. Based on the reactivities of the elements involved, which reaction will form products that are more s

FinnZ [79.3K]

Answer: The correct answer is option B.

Explanation: Reactivity of elements is defined as the tendency to loose or gain electrons.

These reactions are a type of single displacement reactions. A single displacement reaction is a type of reaction in which an element displaces another element in a chemical reaction. These are studied with the help of reactivity series.

The element which lies above in the reactivity series can easily displace the element which lies below in the reactivity series.

Option A: This reaction will not yield a stable product because Zinc lies below Aluminium in the reactivity series.

$AlBr_3+Zn\rightarrow \text{No reaction}$

Option B: This reaction will yield a stable product because Sodium lies above Calcium in the reactivity series.

$CaBr_2+2Na\rightarrow 2NaBr+Ca$

Option C: This reaction will not yield a stable product because Hydrogen lies below Magnesium in the reactivity series.

$MgBr_2+H_2\rightarrow \text{No reaction}$

Option D: This reaction will not yield a stable product because Calcium lies below Barium in the reactivity series.

$BaBr_2+Ca\rightarrow \text{No reaction}$

Option E: This reaction will not yield a stable product because barium lies below Lithium in the reactivity series.

$2LiBr+Ba\rightarrow \text{No reaction}$

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3 years ago

What is the name of CH=CH2

Strike441 [17]

Answer:

CH2 is the chemical name for methylene and belongs to the general compound category of Alkenes. It comprises of a single carbon atom bonded with 2 hydrogen atoms . The general formula for alkenes is C(n)H(2n) with n denoting the number of carbon atoms and thus deciding the name of the compound.

Explanation:

4 0

3 years ago

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Describe a proton, neutron, and electron. Where are these particles located inside an atom.

Natali5045456 [20]

A proton is a positively charged particle found within the nucleus of an atom, a neutron carries no charge and is also found in the nucleus. An electron is a very small negatively charged particle found in the outer "shells" or orbitals of the atom.

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3 years ago

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A marble is L 1.32 W 1.32 H 1.32, what is the volume? Show your work

cupoosta [38]

The volume of the marble is 2.3 cube units.

From the question given above, the following data were obtained:

Length (L) = 1.32

Width (W) = 1.32

Height (H) = 1.32

Volume (V) =?

The volume of the marble can be obtained as follow:

V = L × W × H

V = 1.32 × 1.32 × 1.32

V = 2.3 cube units

Thus, the volume of the marble is 2.3 cube units.

Learn more about volume:

brainly.com/question/20665757

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2 years ago