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