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kirill115 [55]
3 years ago
7

When conducting an experiment which is the best way to record data

Chemistry
1 answer:
kolezko [41]3 years ago
8 0
To go back on the text and get your answer also if u are not in this grade in 4th and 5th grade they taught race so just use that trace stands for
R-restate your answer
A-answer al parts of your question
C-Cite your evidence
And
E-extend and or explain hope this helps
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If an element is lustrous, brittle, and a semi-conductor, how would you classify it?
just olya [345]

Metalloid

Explanation:

If an element is lustrous, brittle and a semi-conductor, it is best classified as a metalloid.

Metalloids shares attributes of metals and non-metals.

  • They are often described as semi-metals as they do not share the full properties that makes a metal a metal.
  • Metalloids are lustrous but not malleable like metals.
  • They do not conduct electricity but they do so on certain conditions.
  • Examples are silicon, germanium, boron, arsenic e.t.c
  • They are usually found in the middle of the periodic table.
  • They are not readily alloyed with metals.

Learn more:

Metalloid brainly.com/question/3023499

#learnwithBrainly

7 0
3 years ago
Fill in the blank with the correct response.
Ganezh [65]

Surveys are the data collection tool and research methods. The questionnaire survey tool is used to collect the data based on questions.

<h3>What are questionnaires?</h3>

Questionnaires are the tool used for the research and the data collection for the analysis, investigation, and conclusion. It is one of the data collection tools that comprises questions and prompts.

Questionnaires are the part of surveys that gathers information on the topic of the research and is easy to analyze and cost-effective. It is a valuable tool that collects data from a large number of participants.

Therefore, the correct blank is the <u>questionnaire</u>.

Learn more about the questionnaire here:

brainly.com/question/20335282

#SPJ1

3 0
1 year ago
Why is feo named using a roman numeral, iron (ii) oxide, whereas cao named without a roman numeral, calcium oxide?
Hitman42 [59]
<span>Answer: Some metals have the ability to form differently charged ions. For example, iron can form 2 + or 3 + ions. If you simply gave the name iron chloride, you would not know which charge the iron ion possessed. A Roman numeral is to indicate the charge of the iron. Iron ( II ) means the iron has a 2 + charge Iron ( III ) means that the iron has a 3 + charge So, iron ( II ) oxide would have a chemical formula of FeO . (The oxide ion has a 2 â’ charge to balance the 2 + of the iron to form a neutral compound.) Iron ( III ) oxide would have a chemical formula of Fe 2 O 3 (Here you need to find the common multiple of 6, so two iron ions with a 3 + charge will balance the charge of three oxide ions with a 2 + charge.)</span>
7 0
2 years ago
What is the density of an object that has a mass of 6.5 g and when placed in water displaces the volume from 4.5mL to 11.8mL? ro
KengaRu [80]

Answer:

\rho =0.9g/mL

Explanation:

Hello,

In this case, due to the volume displacement caused the by the object's submersion, it's volume is:

V=11.8mL-4.5mL=7.3 mL

In such a way, considering the mathematical definition of density, it turns out:

\rho =\frac{m}{V}=\frac{6.5g}{7.3mL}\\  \\\rho =0.89g/mL

Rounding to the nearest tenth we finally obtain:

\rho =0.9g/mL

Regards.

3 0
3 years ago
How do scientists test their ideas
blondinia [14]

Answer:

They test it using the scientific method.

5 0
3 years ago
Read 2 more answers
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