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Chemistry
Chemistry
High School
PLEASE ANSWERA train travels 200 miles at an average speed of 50 miles per hour. How long does it take the train to travel this distance?
Chemistry
Middle School
2 more questions left
Chemistry
High School
How many days will pass between a new moon and a full moon?
Chemistry
High School
Look for other families of ions in the table that follow a pattern similar to that of the polyatomic chlorine ions. Then complete the statement to describe what you find. Select the correct answer from each drop-down menu. Families of ions that contain hydrogen pattern similar to that of the polyatomic chlorine ions. then complete the statement to describe what you find
Chemistry
High School
HELP ASAP WILL MARK BRAINLIST The diagram below shows what happens during the formation of a compound. The diagram shows two substances joining together to form a third substance.Which of these substances is a compound?Group of answer choicesCABBoth B and C
Chemistry
High School
which sample is a pure substance?a. a test tube of zinc oxideb. a container of zinc and oxygenc. a flask of pond waterd. a jar of soil
Chemistry
College
1. Which of the following pairs of elements is most likely to share one or more pairs of electrons betweentheir nuclei?a. Lithium and iodineb. Sodium and leadc. Copper and oxygend. Sulfur and chlorine
Chemistry
High School
6. How is energy transferred to the earth?I
Chemistry
High School
what is extremely lightweight and exists in a cloud orbiting the nucleus
Chemistry
High School
who Organized elements into four groups based on propertie
Chemistry
High School
What is a Physical reaction?
Chemistry
College
what always forms between two large air masses of different moisture and air temperature?
Chemistry
High School
What did you find out from this investigation? Be thoughtful in your answer.
Chemistry
College
3. What noble gas would be part of the electron configuration notation for Mn?
Chemistry
High School
Which statement best describes a physical change?Changes can occur to certain chemical properties of the substance, but the overall shape of the substance will remain the same.Changes can occur to certain physical properties of the substance, but the overall shape of the substance will remain the same.Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same.Changes can occur to chemical properties of a substance, but the chemical composition of the substance remains the same.
Chemistry
High School
Structural differences between different chemicals can be represented in models of the particles. Which drawing best represents a compound?
Chemistry
College
what is the relationship between netforce and acceleration based on the situation?
Chemistry
High School
PLEASE HELP I'LL GIVE U BRAINLIEST
Chemistry
High School
Which of the following is always involved in a scientific inquiry? A. conducting experiments based on scientific questions B. guessing what would happen instead of doing experiments C. knowing the correct answer before you start D. conducting surveys to ask people's opinions on various subjects
Chemistry
College
PLEASE HELP ME ASAP!Which of the following elements has the highest electronegativity? A. Ar B. Ga C. Ag D. S
Chemistry
High School
A basketball weighs approximately 1.35 kg. What is this mass in grams (g)?step by step
Chemistry
High School
Elements in group 16 of the periodic table usually
Chemistry
College
Identify 3 pieces of safety equipment commonly found in the science lab.
Chemistry
High School
43. Why is the geometric structure of a moleculeimportant, especially for biological molecules?
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