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