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3 years ago

40 points for this question PLEASE HELP SOMEONE ILL GIVE BRAINLIEST

Chemistry

1 answer:

Alex787 [66]3 years ago

6 0

Answer:

whats the question?

Explanation:

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How do you classify a metal

Alenkinab [10]

Answer:

They are solid (with the exception of mercury, Hg, a liquid).

They are shiny, good conductors of electricity and heat.

They are ductile (they can be drawn into thin wires).

They are malleable (they can be easily hammered into very thin sheets).

If this satisfies you please consider giving me brainliest :)

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3 years ago

When a ph probe is inserted into a solution containing the chloride ion it is neutral. what is the ph of a solution containing t

Svetach [21]

Acidic! Fluoride is the most electronegative element.

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4 years ago

Read 2 more answers

What is the mass in grams of 2.25 mol of the element iron, Fe?

scZoUnD [109]

<h3>Answer:</h3>

126 g Fe

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

Reading a Periodic Table
Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

2.25 mol Fe

<u>Step 2: Identify Conversions</u>

Molar Mass of Fe - 55.85 g/mol

<u>Step 3: Convert</u>

Set up: $\displaystyle 2.25 \ mol \ Fe(\frac{55.85 \ g \ Fe}{1 \ mol \ Fe})$
Multiply: $\displaystyle 125.663 \ g \ Fe$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

125.663 g Fe ≈ 126 g Fe

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3 years ago

What is the molecular formula for se?

patriot [66]

A chemical formula that shows the total number and kinds of atoms in a molecule, but not their structural arrangement. For example, the molecular formulaof aspirin is C9H8O4

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4 years ago

Select the correct answer.

Nata [24]

B cesium is the answer

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4 years ago