science

Which of the following statements about elements is false?
A. An element is a pure substance.
B. An element is made up of compounds.
C. An element is represented by chemical symbol
D. Each element has its own atomic number.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
  1. B is exactly backwards

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. B because an element is made up of one kind of atom

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  3. B is correct but remember that atoms of the same element may differ in the number of neutrons because of isotopes.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Respond to this Question

First Name

Your Response

Similar Questions

  1. Education technology Ms.Sue I need your help!!!!

    what is the importance of including the elements of design in visual art? The elements work together to help influence thoughts and emotions The elements are mandatory in any piece of art work Art is not art without each element

  2. Chemestry

    A new element has been discovered and you are on the task force to determine where this new element will be placed on the periodic table with its known properties. Using the model of the periodic table and its periodic patterns,

  3. Algebra 2 help :)

    Any number in the form of a+-bi , where a and b are real numbers and b not equal 0 is considered a pure imaginary number. TRUE OR FALSE The minimum value is the smallest y-value of a function. T RUE OR FALSE i2 = square root of

  4. Education technology

    what is the importance of including the elements of design in visual art? The elements work together to help influence thoughts and emotions The elements are mandatory in any piece of art work Art is not art without each element

  1. Science

    1. Which of the following best describes an atom? A) protons and electrons grouped together in a random pattern B) protons and electrons grouped together in an alternating pattern C) a core of protons and neutrons surrounded by

  2. Science--Help.

    Which of the following is NOT one of the eight most common elements in Earth’s continental crust? carbon silicon oxygen aluminum The most abundant element in Earth’s continental crust (by weight) is _____. 2. oxygen silicon

  3. physical science

    Before 1937, all naturally occurring elements had been discovered, but no one had found any trace of element 43. Chemists were still able to predict the chemical properties of this element (now called technetium), which is widely

  4. physical science

    Can someone explain this to me. Element D has 6 protons and 7 neutrons Element F has 7 protons and 7 nuetrons are the pair isotopes or different elements

  1. Chemistry

    Which of the following are key parts of Dalton's Atomic Theory (Click the 4 that apply)? (1 point) All elements are composed of tiny indivisible particles called atoms*** Atoms of the same element are identical. The atoms of any

  2. Science

    1: TRUE or FALSE? Elements are pure types of matter. 2: TRUE or FALSE? Atoms are made from molecules. 3: TRUE or FALSE? Chlorophyll is needed for cellular respiration. 4: TRUE or FALSE? Matter and energy flow through food chains.

  3. Science

    Which of these represents a chemical change? A) two compounds combining to form a mixture B) a mixture being separated into two elements C) a compound being separated into two elements D) an element changing state from solid to

  4. Chemistry

    Element x has the highest first electron affinity in its period, the ground state electron configuration of its common is: [Kr] 5s2 4d10 5p6 Element Y is the second largest element in its period; its valence electron are in

View more similar questions or ask a new question.