Question 4 (1 point) Which of these sets of elements has similar properties? Consult the periodic...
Hydrogen 1H 2- Atomic number He Helium - He Mass number First shell Element symbol- Electron- distribution diagram Lithium Beryllium Carbon Boron 3B Oxygen Nitrogen en N Fluorine انار Neon Be 10 Ne Second shell Sodium 11 Na Aluminum AI Sulfur Magnesium 12Mg Chlorine Phosphorus Silicon 1 Si Argon Ar Third shell According to the section of the Periodic Table of Elements above, which element is most likely to have similar chemical properties to carbon Selected Answer: C. Phosphorus Answers:...
O MATTER Using the Periodic Table to identify similar elements Andre Decide which element probably forms a compound with hydrogen that has a chemical formula most and least similar to the chemical formula of the compound formed by hydrogen and nitrogen. Comparing chemical formula of compound formed with hydrogen: oxygen 0 most similar to nitrogen least similar to nitrogen magnesium 0 0 sulfur 0 0 phosphorus 0 0 1 x 5 ?
Hydrogen - Atomic number Helium - He He 4.00 First Mass number Element symbol shell Electron- distribution diagram Lithium Beryllium Be Boron Carbon Fluorine 6C Nitrogen N Neon 10 Ne Second shell Silicon Sodium 11 Na Aluminum Phosphorus Magnesium 12 Mg Chlorine 17C1 Argon 18Ar 14Si 1SP Third shell According to the section of the Periodic Table of Elements above, which element is most likely to have similar chemical properties to carbon? A. Nitrogen OB. Silicon C. Phosphorus D. Boron
Google O MATTER Using the Periodic Table to identify similar elements Decide which element probably has a density most and least similar to the density of beryllium. Comparing density: indium thallium fluorine calcium most similar to beryllium least similar to beryllium X 5 ?
8. Why does carbon contain only 4 valence electrons when it has 6 total electrons? 9.True or False. Oxygen and sulfur have the same number of valence electrons. 10. True or False. Beryllium and magnesium have the same number of valence electrons. 11. True or False. Sodium and magnesium have the same number of valence electrons. 12. What is the relationship between the number of valence electrons and the column on the periodic table? 13. How is the number of...
Which of the following pairs of elements would have the most similar chemical properties? A.Boron (B) and Fluorine (F) B.Hydrogen (H) and Helium (He) C.Beryllium (Be) and Magnesium (Mg) D.Carbon (C) and Oxygen (O)
Question 12 • Which of the followings are the most abundant elements in organisms? carbon, oxygen, nitrogen, calcium carbon, hydrogen, nitrogen, oxygen carbon, sodium, hydrogen, nitrogen carbon, oxygen, phosphorus, hydrogen oxygen, hydrogen, calcium, nitrogen Question 13 Why is each element unique and different from other elements in chemical prope
QUESTION 40 Which of the following elements is chemically similar to magnesium? sulfur O potassium calcium nickel Iron
Part A From its electronic configuration, predict which of the first 10 elements would be most similar in chemical behavior to the as yet undiscovered element 120. neon boron beryllium oxygen fluorine O carbon lithium nitrogen Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
I. Carbon atoms are about 25% lighter than oxygen atoms (the ratio of their weights is 3 to 4). What is the weight ratio of the carbon and oxygen that go into the formation of carbon monoxide, CO? (a) 4 parts carbon to 3 parts oxygen (b) 1 part carbon to 4 parts oxygen (c) 1 part carbon to 1 part oxygen (d) 4 parts carbon to 1 part oxygen (e) 3 parts carbon to 4 parts oxygen 2. How...