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