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