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