A) It is composed of electrons and neutrons B) It is composed of protons and neutrons C) It is composed of protons only D) It is composed of protons and electrons
A) + B) 0 C) -
A) have neutrons in their nuclei. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) cooking eggs B) burning wood C) breaking a pencil D) digesting food
A) Alphabetical Order B) Atomic Mass C) Discovery Date D) Atomic Number
A) Protons and Neutrons B) Valence Electrons C) Protons D) Neutrons
A) density B) pH C) color D) shape
A) a total of eight protons and neutrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight neutrons and electrons.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) protons. D) neutrons.
A) They are extremely nonreactive. B) They form negative ions with a -1 charge. C) They are located in the left-most column of the periodic table. D) They are usually gases.
A) a basically nonreactive. B) They are extremely rare in nature. C) They form compounds with very bright colors. D) They are highly reactive with both metals and nonmetals.
A) are nonreactive B) have only 1 valence electron C) are all metals D) exist in all three states of matter in normal conditions
A) In the middle column of the periodic table. B) On the right side. C) In the bottom rows. D) On the left-most side.
A) mass;number B) number; mass C) color; smell D) location; ionization
A) 6 neutrons B) 12 neutrons C) 8 neutrons D) 3 neutrons
A) Alkaline Earth B) Alkali Metals C) Halogens D) Noble Gases
A) Halogens B) Alkaline Earth C) Noble Gases D) Akali
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) Noble Gases B) Alkaline Earth C) Halogens D) Alkali
A) 3 B) 4 C) 2 D) 5
A) nonmetals B) metals C) metalloids
A) Ms. Watson B) Einstein C) Mosely D) Mendleev
A) According to atomic mass B) by date discovered C) alphabetically D) according to atomic number
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Number
A) nucleus B) neutrons C) protons D) electrons
A) pH B) reactivity C) color D) flammability
A) burning B) breaking C) crushing D) adding dye
A) vary within the same element B) only can be seen in a few elements C) can only be observed by changing the substance D) can be observed with senses
A) vary within the same element B) can be observes with the senses C) cn only be observed by changing the substance D) only can be observed in a few elements
A) physical B) chemical
A) physical B) chemical
A) it will sink B) not enough information C) it will float
A) hours B) kilograms C) meters D) grams
A) accurate B) both accurate and precise C) nethier accurate or precise D) precise
A) 1/100 B) 100 C) 1,000 D) 1/1,000
A) dependent B) constant C) control D) independent
A) growth B) strawberries C) length of study D) fertilizer
A) constant B) dependent C) independent D) control
A) beaker B) graduated cylinder C) tongs D) stirring rod
A) 16 B) 0 C) 13 D) 10
A) 18 B) 19 C) 35 D) 17
A) 12 B) 14 C) 10 D) 26
A) 2 B) 8 C) 18 D) 10
A) 5.7 amu B) 0.57 amu C) 115 amu D) 57 amu
A) 3 B) 4 C) 2 D) 1
A) Rutherford B) Dalton C) Bohr D) Thomson
A) Rutherford B) Thomson C) Democritus D) Chadwick
A) Rutherford B) Thomson C) Bohr D) Shrodinger and Heisenburg
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Chadwick B) Bohr C) Rutherford D) Dalton
A) Electron number never changes. B) Electrons are positively charged. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) negative charge B) smaller mass C) positive charge D) larger mass
A) positrons B) electrons C) neutrons D) protons
A) 72g/ml B) 1.33g/ml C) 0.33g/ml D) 3g/ml
A) 10.7g B) 0.094g C) 24g D) 17.5g |