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