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